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Finding the Fourth Proportional to 327,924.72, 491,887.17 and 253,154.03

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Solution

The fourth proportional to 327,924.72, 491,887.17 and 253,154.03 is: 379,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,924.72 : 491,887.17 = 253,154.03 : x
  2. Step 2: Convert to fraction form
    327,924.72/491,887.17 = 253,154.03/x
  3. Step 3: Cross multiply
    327,924.72x = 491,887.17 × 253,154.03
  4. Step 4: Simplify right side
    327,924.72x = 124,523,216,931.36
  5. Step 5: Solve for x
    x = 124,523,216,931.36/327,924.72
  6. Step 6: Final answer
    x = 379,731.11

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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.