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Finding the Fourth Proportional to 482,906.10, 724,456.35 and 404,562.90

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Solution

The fourth proportional to 482,906.10, 724,456.35 and 404,562.90 is: 606,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,906.10 : 724,456.35 = 404,562.90 : x
  2. Step 2: Convert to fraction form
    482,906.10/724,456.35 = 404,562.90/x
  3. Step 3: Cross multiply
    482,906.10x = 724,456.35 × 404,562.90
  4. Step 4: Simplify right side
    482,906.10x = 293,088,161,879.42
  5. Step 5: Solve for x
    x = 293,088,161,879.42/482,906.10
  6. Step 6: Final answer
    x = 606,925.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.