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Finding the Fourth Proportional to 534,884.05, 738,221.31 and 341,375.26

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Solution

The fourth proportional to 534,884.05, 738,221.31 and 341,375.26 is: 471,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,884.05 : 738,221.31 = 341,375.26 : x
  2. Step 2: Convert to fraction form
    534,884.05/738,221.31 = 341,375.26/x
  3. Step 3: Cross multiply
    534,884.05x = 738,221.31 × 341,375.26
  4. Step 4: Simplify right side
    534,884.05x = 252,010,491,638.79
  5. Step 5: Solve for x
    x = 252,010,491,638.79/534,884.05
  6. Step 6: Final answer
    x = 471,149.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.