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Finding the Fourth Proportional to 609,535.38, 914,449.05 and 254,351.82

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Solution

The fourth proportional to 609,535.38, 914,449.05 and 254,351.82 is: 381,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,535.38 : 914,449.05 = 254,351.82 : x
  2. Step 2: Convert to fraction form
    609,535.38/914,449.05 = 254,351.82/x
  3. Step 3: Cross multiply
    609,535.38x = 914,449.05 × 254,351.82
  4. Step 4: Simplify right side
    609,535.38x = 232,591,780,164.77
  5. Step 5: Solve for x
    x = 232,591,780,164.77/609,535.38
  6. Step 6: Final answer
    x = 381,588.65

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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.