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Finding the Fourth Proportional to 360,063.27, 539,761.05 and 123,349.68

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Solution

The fourth proportional to 360,063.27, 539,761.05 and 123,349.68 is: 184,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,063.27 : 539,761.05 = 123,349.68 : x
  2. Step 2: Convert to fraction form
    360,063.27/539,761.05 = 123,349.68/x
  3. Step 3: Cross multiply
    360,063.27x = 539,761.05 × 123,349.68
  4. Step 4: Simplify right side
    360,063.27x = 66,579,352,793.96
  5. Step 5: Solve for x
    x = 66,579,352,793.96/360,063.27
  6. Step 6: Final answer
    x = 184,910.15

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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.