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Finding the Fourth Proportional to 539,253.66, 744,174.03 and 297,545.21

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Solution

The fourth proportional to 539,253.66, 744,174.03 and 297,545.21 is: 410,614.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,253.66 : 744,174.03 = 297,545.21 : x
  2. Step 2: Convert to fraction form
    539,253.66/744,174.03 = 297,545.21/x
  3. Step 3: Cross multiply
    539,253.66x = 744,174.03 × 297,545.21
  4. Step 4: Simplify right side
    539,253.66x = 221,425,418,032.90
  5. Step 5: Solve for x
    x = 221,425,418,032.90/539,253.66
  6. Step 6: Final answer
    x = 410,614.59

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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.