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Finding the Fourth Proportional to 322,143.41, 444,545.72 and 178,912.68

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Solution

The fourth proportional to 322,143.41, 444,545.72 and 178,912.68 is: 246,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,143.41 : 444,545.72 = 178,912.68 : x
  2. Step 2: Convert to fraction form
    322,143.41/444,545.72 = 178,912.68/x
  3. Step 3: Cross multiply
    322,143.41x = 444,545.72 × 178,912.68
  4. Step 4: Simplify right side
    322,143.41x = 79,534,866,147.73
  5. Step 5: Solve for x
    x = 79,534,866,147.73/322,143.41
  6. Step 6: Final answer
    x = 246,892.73

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1.5x scale

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.