Hello, Ingridmartin!
Is this what you meant?
\(\displaystyle \boxed{\text{ How many times greater is the value of the '7' in 75,245 compared with the '7' in 52,457 ? }}\)
The '7' in 75,245 represents 70,000.
The '7' in 52,457 represents 7.
The first '7' is 10,000 times greater than the second '7'.