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Finding the Fourth Proportional to 444,957.22, 667,435.42 and 178,717.78

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Solution

The fourth proportional to 444,957.22, 667,435.42 and 178,717.78 is: 268,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,957.22 : 667,435.42 = 178,717.78 : x
  2. Step 2: Convert to fraction form
    444,957.22/667,435.42 = 178,717.78/x
  3. Step 3: Cross multiply
    444,957.22x = 667,435.42 × 178,717.78
  4. Step 4: Simplify right side
    444,957.22x = 119,282,577,613.46
  5. Step 5: Solve for x
    x = 119,282,577,613.46/444,957.22
  6. Step 6: Final answer
    x = 268,076.51

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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.