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Finding the Fourth Proportional to 327,553.01, 451,932.35 and 196,696.91

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Solution

The fourth proportional to 327,553.01, 451,932.35 and 196,696.91 is: 271,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,553.01 : 451,932.35 = 196,696.91 : x
  2. Step 2: Convert to fraction form
    327,553.01/451,932.35 = 196,696.91/x
  3. Step 3: Cross multiply
    327,553.01x = 451,932.35 × 196,696.91
  4. Step 4: Simplify right side
    327,553.01x = 88,893,695,006.12
  5. Step 5: Solve for x
    x = 88,893,695,006.12/327,553.01
  6. Step 6: Final answer
    x = 271,387.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.