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Finding the Fourth Proportional to 444,738.43, 667,232.34 and 178,685.74

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Solution

The fourth proportional to 444,738.43, 667,232.34 and 178,685.74 is: 268,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,738.43 : 667,232.34 = 178,685.74 : x
  2. Step 2: Convert to fraction form
    444,738.43/667,232.34 = 178,685.74/x
  3. Step 3: Cross multiply
    444,738.43x = 667,232.34 × 178,685.74
  4. Step 4: Simplify right side
    444,738.43x = 119,224,904,424.83
  5. Step 5: Solve for x
    x = 119,224,904,424.83/444,738.43
  6. Step 6: Final answer
    x = 268,078.71

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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.