Finding the Fourth Proportional to 703,224.05, 970,453.87 and 380,934.17
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Solution
The fourth proportional to 703,224.05, 970,453.87 and 380,934.17 is: 525,691.68
Step by Step Solution
- Step 1: Write the proportion equation
703,224.05 : 970,453.87 = 380,934.17 : x - Step 2: Convert to fraction form
703,224.05/970,453.87 = 380,934.17/x - Step 3: Cross multiply
703,224.05x = 970,453.87 × 380,934.17 - Step 4: Simplify right side
703,224.05x = 369,679,033,687.13 - Step 5: Solve for x
x = 369,679,033,687.13/703,224.05 - Step 6: Final answer
x = 525,691.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.