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Finding the Fourth Proportional to 539,545.46, 744,572.86 and 297,828.18

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Solution

The fourth proportional to 539,545.46, 744,572.86 and 297,828.18 is: 411,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,545.46 : 744,572.86 = 297,828.18 : x
  2. Step 2: Convert to fraction form
    539,545.46/744,572.86 = 297,828.18/x
  3. Step 3: Cross multiply
    539,545.46x = 744,572.86 × 297,828.18
  4. Step 4: Simplify right side
    539,545.46x = 221,754,779,771.20
  5. Step 5: Solve for x
    x = 221,754,779,771.20/539,545.46
  6. Step 6: Final answer
    x = 411,002.96

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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.