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Finding the Fourth Proportional to 539,581.62, 809,182.41 and 179,654.73

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Solution

The fourth proportional to 539,581.62, 809,182.41 and 179,654.73 is: 269,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,581.62 : 809,182.41 = 179,654.73 : x
  2. Step 2: Convert to fraction form
    539,581.62/809,182.41 = 179,654.73/x
  3. Step 3: Cross multiply
    539,581.62x = 809,182.41 × 179,654.73
  4. Step 4: Simplify right side
    539,581.62x = 145,373,447,389.30
  5. Step 5: Solve for x
    x = 145,373,447,389.30/539,581.62
  6. Step 6: Final answer
    x = 269,418.83

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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.