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Finding the Fourth Proportional to 323,773.39, 485,657.05 and 181,618.39

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Solution

The fourth proportional to 323,773.39, 485,657.05 and 181,618.39 is: 272,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,773.39 : 485,657.05 = 181,618.39 : x
  2. Step 2: Convert to fraction form
    323,773.39/485,657.05 = 181,618.39/x
  3. Step 3: Cross multiply
    323,773.39x = 485,657.05 × 181,618.39
  4. Step 4: Simplify right side
    323,773.39x = 88,204,251,513.15
  5. Step 5: Solve for x
    x = 88,204,251,513.15/323,773.39
  6. Step 6: Final answer
    x = 272,425.88

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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.