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Finding the Fourth Proportional to 323,379.62, 485,069.46 and 123,761.24

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Solution

The fourth proportional to 323,379.62, 485,069.46 and 123,761.24 is: 185,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,379.62 : 485,069.46 = 123,761.24 : x
  2. Step 2: Convert to fraction form
    323,379.62/485,069.46 = 123,761.24/x
  3. Step 3: Cross multiply
    323,379.62x = 485,069.46 × 123,761.24
  4. Step 4: Simplify right side
    323,379.62x = 60,032,797,855.73
  5. Step 5: Solve for x
    x = 60,032,797,855.73/323,379.62
  6. Step 6: Final answer
    x = 185,641.87

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1.5x scale

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.