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Finding the Fourth Proportional to 625,789.22, 863,148.47 and 604,956.66

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Solution

The fourth proportional to 625,789.22, 863,148.47 and 604,956.66 is: 834,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,789.22 : 863,148.47 = 604,956.66 : x
  2. Step 2: Convert to fraction form
    625,789.22/863,148.47 = 604,956.66/x
  3. Step 3: Cross multiply
    625,789.22x = 863,148.47 × 604,956.66
  4. Step 4: Simplify right side
    625,789.22x = 522,167,412,470.53
  5. Step 5: Solve for x
    x = 522,167,412,470.53/625,789.22
  6. Step 6: Final answer
    x = 834,414.21

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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.