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Finding the Fourth Proportional to 488,636.52, 732,443.22 and 204,489.87

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Solution

The fourth proportional to 488,636.52, 732,443.22 and 204,489.87 is: 306,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,636.52 : 732,443.22 = 204,489.87 : x
  2. Step 2: Convert to fraction form
    488,636.52/732,443.22 = 204,489.87/x
  3. Step 3: Cross multiply
    488,636.52x = 732,443.22 × 204,489.87
  4. Step 4: Simplify right side
    488,636.52x = 149,777,218,840.18
  5. Step 5: Solve for x
    x = 149,777,218,840.18/488,636.52
  6. Step 6: Final answer
    x = 306,520.72

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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.