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Finding the Fourth Proportional to 327,211.97, 490,818.10 and 102,589.91

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Solution

The fourth proportional to 327,211.97, 490,818.10 and 102,589.91 is: 153,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,211.97 : 490,818.10 = 102,589.91 : x
  2. Step 2: Convert to fraction form
    327,211.97/490,818.10 = 102,589.91/x
  3. Step 3: Cross multiply
    327,211.97x = 490,818.10 × 102,589.91
  4. Step 4: Simplify right side
    327,211.97x = 50,352,981,994.81
  5. Step 5: Solve for x
    x = 50,352,981,994.81/327,211.97
  6. Step 6: Final answer
    x = 153,884.90

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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.