Finding the Fourth Proportional to 524,192, 723,385.44 and 285,728
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Solution
The fourth proportional to 524,192, 723,385.44 and 285,728 is: 394,304.90
Step by Step Solution
- Step 1: Write the proportion equation
524,192 : 723,385.44 = 285,728 : x - Step 2: Convert to fraction form
524,192/723,385.44 = 285,728/x - Step 3: Cross multiply
524,192x = 723,385.44 × 285,728 - Step 4: Simplify right side
524,192x = 206,691,475,000.32 - Step 5: Solve for x
x = 206,691,475,000.32/524,192 - Step 6: Final answer
x = 394,304.90
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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.