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Finding the Fourth Proportional to 327,593.73, 491,335.92 and 90,960.33

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Solution

The fourth proportional to 327,593.73, 491,335.92 and 90,960.33 is: 136,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,593.73 : 491,335.92 = 90,960.33 : x
  2. Step 2: Convert to fraction form
    327,593.73/491,335.92 = 90,960.33/x
  3. Step 3: Cross multiply
    327,593.73x = 491,335.92 × 90,960.33
  4. Step 4: Simplify right side
    327,593.73x = 44,692,077,424.05
  5. Step 5: Solve for x
    x = 44,692,077,424.05/327,593.73
  6. Step 6: Final answer
    x = 136,425.31

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1.5x scale

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.