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Finding the Fourth Proportional to 363,343.50, 542,689.71 and 329,098.08

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Solution

The fourth proportional to 363,343.50, 542,689.71 and 329,098.08 is: 491,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,343.50 : 542,689.71 = 329,098.08 : x
  2. Step 2: Convert to fraction form
    363,343.50/542,689.71 = 329,098.08/x
  3. Step 3: Cross multiply
    363,343.50x = 542,689.71 × 329,098.08
  4. Step 4: Simplify right side
    363,343.50x = 178,598,141,596.76
  5. Step 5: Solve for x
    x = 178,598,141,596.76/363,343.50
  6. Step 6: Final answer
    x = 491,540.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.