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Finding the Fourth Proportional to 327,641.41, 490,752.26 and 158,808.56

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Solution

The fourth proportional to 327,641.41, 490,752.26 and 158,808.56 is: 237,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,641.41 : 490,752.26 = 158,808.56 : x
  2. Step 2: Convert to fraction form
    327,641.41/490,752.26 = 158,808.56/x
  3. Step 3: Cross multiply
    327,641.41x = 490,752.26 × 158,808.56
  4. Step 4: Simplify right side
    327,641.41x = 77,935,656,876.56
  5. Step 5: Solve for x
    x = 77,935,656,876.56/327,641.41
  6. Step 6: Final answer
    x = 237,868.76

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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.