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Finding the Fourth Proportional to 488,646.60, 732,773.04 and 204,150.72

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Solution

The fourth proportional to 488,646.60, 732,773.04 and 204,150.72 is: 306,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,646.60 : 732,773.04 = 204,150.72 : x
  2. Step 2: Convert to fraction form
    488,646.60/732,773.04 = 204,150.72/x
  3. Step 3: Cross multiply
    488,646.60x = 732,773.04 × 204,150.72
  4. Step 4: Simplify right side
    488,646.60x = 149,596,143,712.59
  5. Step 5: Solve for x
    x = 149,596,143,712.59/488,646.60
  6. Step 6: Final answer
    x = 306,143.83

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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.