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Finding the Fourth Proportional to 622,562.92, 864,936.91 and 615,097.96

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Solution

The fourth proportional to 622,562.92, 864,936.91 and 615,097.96 is: 854,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,562.92 : 864,936.91 = 615,097.96 : x
  2. Step 2: Convert to fraction form
    622,562.92/864,936.91 = 615,097.96/x
  3. Step 3: Cross multiply
    622,562.92x = 864,936.91 × 615,097.96
  4. Step 4: Simplify right side
    622,562.92x = 532,020,928,869.70
  5. Step 5: Solve for x
    x = 532,020,928,869.70/622,562.92
  6. Step 6: Final answer
    x = 854,565.72

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.