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Finding the Fourth Proportional to 555,757.38, 834,752.04 and 331,555.23

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Solution

The fourth proportional to 555,757.38, 834,752.04 and 331,555.23 is: 497,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,757.38 : 834,752.04 = 331,555.23 : x
  2. Step 2: Convert to fraction form
    555,757.38/834,752.04 = 331,555.23/x
  3. Step 3: Cross multiply
    555,757.38x = 834,752.04 × 331,555.23
  4. Step 4: Simplify right side
    555,757.38x = 276,766,404,615.17
  5. Step 5: Solve for x
    x = 276,766,404,615.17/555,757.38
  6. Step 6: Final answer
    x = 497,998.61

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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.