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Finding the Fourth Proportional to 576,634.16, 865,150.92 and 239,856.56

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Solution

The fourth proportional to 576,634.16, 865,150.92 and 239,856.56 is: 359,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,634.16 : 865,150.92 = 239,856.56 : x
  2. Step 2: Convert to fraction form
    576,634.16/865,150.92 = 239,856.56/x
  3. Step 3: Cross multiply
    576,634.16x = 865,150.92 × 239,856.56
  4. Step 4: Simplify right side
    576,634.16x = 207,512,123,552.04
  5. Step 5: Solve for x
    x = 207,512,123,552.04/576,634.16
  6. Step 6: Final answer
    x = 359,867.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.