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Finding the Fourth Proportional to 539,545.41, 744,568.47 and 297,828.06

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Solution

The fourth proportional to 539,545.41, 744,568.47 and 297,828.06 is: 411,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,545.41 : 744,568.47 = 297,828.06 : x
  2. Step 2: Convert to fraction form
    539,545.41/744,568.47 = 297,828.06/x
  3. Step 3: Cross multiply
    539,545.41x = 744,568.47 × 297,828.06
  4. Step 4: Simplify right side
    539,545.41x = 221,753,382,957.27
  5. Step 5: Solve for x
    x = 221,753,382,957.27/539,545.41
  6. Step 6: Final answer
    x = 411,000.41

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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.