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Finding the Fourth Proportional to 534,540.56, 737,634.30 and 292,775

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Solution

The fourth proportional to 534,540.56, 737,634.30 and 292,775 is: 404,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,540.56 : 737,634.30 = 292,775 : x
  2. Step 2: Convert to fraction form
    534,540.56/737,634.30 = 292,775/x
  3. Step 3: Cross multiply
    534,540.56x = 737,634.30 × 292,775
  4. Step 4: Simplify right side
    534,540.56x = 215,960,882,182.50
  5. Step 5: Solve for x
    x = 215,960,882,182.50/534,540.56
  6. Step 6: Final answer
    x = 404,012.15

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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.