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Finding the Fourth Proportional to 574,720.41, 862,132.56 and 219,737.51

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Solution

The fourth proportional to 574,720.41, 862,132.56 and 219,737.51 is: 329,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,720.41 : 862,132.56 = 219,737.51 : x
  2. Step 2: Convert to fraction form
    574,720.41/862,132.56 = 219,737.51/x
  3. Step 3: Cross multiply
    574,720.41x = 862,132.56 × 219,737.51
  4. Step 4: Simplify right side
    574,720.41x = 189,442,856,614.98
  5. Step 5: Solve for x
    x = 189,442,856,614.98/574,720.41
  6. Step 6: Final answer
    x = 329,626.12

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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.