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Finding the Fourth Proportional to 534,449.61, 737,540.78 and 292,732.11

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Solution

The fourth proportional to 534,449.61, 737,540.78 and 292,732.11 is: 403,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,449.61 : 737,540.78 = 292,732.11 : x
  2. Step 2: Convert to fraction form
    534,449.61/737,540.78 = 292,732.11/x
  3. Step 3: Cross multiply
    534,449.61x = 737,540.78 × 292,732.11
  4. Step 4: Simplify right side
    534,449.61x = 215,901,867,276.79
  5. Step 5: Solve for x
    x = 215,901,867,276.79/534,449.61
  6. Step 6: Final answer
    x = 403,970.48

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1.5x scale

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.