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Finding the Fourth Proportional to 323,775.39, 485,660.04 and 181,620.39

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Solution

The fourth proportional to 323,775.39, 485,660.04 and 181,620.39 is: 272,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,775.39 : 485,660.04 = 181,620.39 : x
  2. Step 2: Convert to fraction form
    323,775.39/485,660.04 = 181,620.39/x
  3. Step 3: Cross multiply
    323,775.39x = 485,660.04 × 181,620.39
  4. Step 4: Simplify right side
    323,775.39x = 88,205,765,872.22
  5. Step 5: Solve for x
    x = 88,205,765,872.22/323,775.39
  6. Step 6: Final answer
    x = 272,428.88

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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.