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Finding the Fourth Proportional to 488,229.31, 732,392.41 and 204,008.72

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Solution

The fourth proportional to 488,229.31, 732,392.41 and 204,008.72 is: 306,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,229.31 : 732,392.41 = 204,008.72 : x
  2. Step 2: Convert to fraction form
    488,229.31/732,392.41 = 204,008.72/x
  3. Step 3: Cross multiply
    488,229.31x = 732,392.41 × 204,008.72
  4. Step 4: Simplify right side
    488,229.31x = 149,414,435,685.58
  5. Step 5: Solve for x
    x = 149,414,435,685.58/488,229.31
  6. Step 6: Final answer
    x = 306,033.32

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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.