Answer:
In 448244, the relationship between the first pair of 4's is the same as the relationship between the second pair of 4's like -
In 448244 we can see that in both pairs(left side and right side pairs), the 4 on the left is ten times the amount of the 4 on the right side.
The left 44 has one 4 ten times the other and the same is in the right pair.