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Finding the Fourth Proportional to 327,660.60, 491,102.10 and 169,807.80

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Solution

The fourth proportional to 327,660.60, 491,102.10 and 169,807.80 is: 254,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,660.60 : 491,102.10 = 169,807.80 : x
  2. Step 2: Convert to fraction form
    327,660.60/491,102.10 = 169,807.80/x
  3. Step 3: Cross multiply
    327,660.60x = 491,102.10 × 169,807.80
  4. Step 4: Simplify right side
    327,660.60x = 83,392,967,176.38
  5. Step 5: Solve for x
    x = 83,392,967,176.38/327,660.60
  6. Step 6: Final answer
    x = 254,510.21

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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.