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Finding the Fourth Proportional to 367,324.91, 506,891.30 and 203,991.78

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Solution

The fourth proportional to 367,324.91, 506,891.30 and 203,991.78 is: 281,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,324.91 : 506,891.30 = 203,991.78 : x
  2. Step 2: Convert to fraction form
    367,324.91/506,891.30 = 203,991.78/x
  3. Step 3: Cross multiply
    367,324.91x = 506,891.30 × 203,991.78
  4. Step 4: Simplify right side
    367,324.91x = 103,401,659,063.49
  5. Step 5: Solve for x
    x = 103,401,659,063.49/367,324.91
  6. Step 6: Final answer
    x = 281,499.18

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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.