With the clip selected on your timeline, click Applied Effects on the right side of the interface.
In the Applied Effects panel, open Motion properties. Here you can precise set the Position as well as the Scale and Rotation of your clip. You can also keyframe animated motion paths and effects.
Excellent solution, thank you for your time in providing it. I don't have the need to do motion, so I never would've thought to open the Motion portion. But changing those two position numbers does exactly what I need to do.
I think that I would still like to see being able to hold the Ctrl button down and use the 4 arrow keys as well. But if Adobe never does that, changing those position numbers will work just fine.
Here's a link to a video I've uploaded to YouTube that will give you an idea of why the critical positioning will be so helpful.