Finding the Fourth Proportional to 448,163.60, 627,895.60 and 448,163.60
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Solution
The fourth proportional to 448,163.60, 627,895.60 and 448,163.60 is: 627,895.60
Step by Step Solution
- Step 1: Write the proportion equation
448,163.60 : 627,895.60 = 448,163.60 : x - Step 2: Convert to fraction form
448,163.60/627,895.60 = 448,163.60/x - Step 3: Cross multiply
448,163.60x = 627,895.60 × 448,163.60 - Step 4: Simplify right side
448,163.60x = 281,399,952,520.16 - Step 5: Solve for x
x = 281,399,952,520.16/448,163.60 - Step 6: Final answer
x = 627,895.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.