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Finding the Fourth Proportional to 504,542.43, 695,545.11 and 396,925.56

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Solution

The fourth proportional to 504,542.43, 695,545.11 and 396,925.56 is: 547,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,542.43 : 695,545.11 = 396,925.56 : x
  2. Step 2: Convert to fraction form
    504,542.43/695,545.11 = 396,925.56/x
  3. Step 3: Cross multiply
    504,542.43x = 695,545.11 × 396,925.56
  4. Step 4: Simplify right side
    504,542.43x = 276,079,632,292.01
  5. Step 5: Solve for x
    x = 276,079,632,292.01/504,542.43
  6. Step 6: Final answer
    x = 547,188.14

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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.