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Finding the Fourth Proportional to 317,251.68, 437,806.32 and 181,327.80

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Solution

The fourth proportional to 317,251.68, 437,806.32 and 181,327.80 is: 250,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,251.68 : 437,806.32 = 181,327.80 : x
  2. Step 2: Convert to fraction form
    317,251.68/437,806.32 = 181,327.80/x
  3. Step 3: Cross multiply
    317,251.68x = 437,806.32 × 181,327.80
  4. Step 4: Simplify right side
    317,251.68x = 79,386,456,831.70
  5. Step 5: Solve for x
    x = 79,386,456,831.70/317,251.68
  6. Step 6: Final answer
    x = 250,231.79

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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.