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Finding the Fourth Proportional to 636,562.86, 878,439.13 and 350,083.14

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Solution

The fourth proportional to 636,562.86, 878,439.13 and 350,083.14 is: 483,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,562.86 : 878,439.13 = 350,083.14 : x
  2. Step 2: Convert to fraction form
    636,562.86/878,439.13 = 350,083.14/x
  3. Step 3: Cross multiply
    636,562.86x = 878,439.13 × 350,083.14
  4. Step 4: Simplify right side
    636,562.86x = 307,526,728,929.27
  5. Step 5: Solve for x
    x = 307,526,728,929.27/636,562.86
  6. Step 6: Final answer
    x = 483,105.04

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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.