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Finding the Fourth Proportional to 327,392.52, 491,086.62 and 84,233.22

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Solution

The fourth proportional to 327,392.52, 491,086.62 and 84,233.22 is: 126,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,392.52 : 491,086.62 = 84,233.22 : x
  2. Step 2: Convert to fraction form
    327,392.52/491,086.62 = 84,233.22/x
  3. Step 3: Cross multiply
    327,392.52x = 491,086.62 × 84,233.22
  4. Step 4: Simplify right side
    327,392.52x = 41,365,807,301.52
  5. Step 5: Solve for x
    x = 41,365,807,301.52/327,392.52
  6. Step 6: Final answer
    x = 126,349.27

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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.