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Finding the Fourth Proportional to 444,974.67, 667,456.20 and 108,018

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Solution

The fourth proportional to 444,974.67, 667,456.20 and 108,018 is: 162,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,974.67 : 667,456.20 = 108,018 : x
  2. Step 2: Convert to fraction form
    444,974.67/667,456.20 = 108,018/x
  3. Step 3: Cross multiply
    444,974.67x = 667,456.20 × 108,018
  4. Step 4: Simplify right side
    444,974.67x = 72,097,283,811.60
  5. Step 5: Solve for x
    x = 72,097,283,811.60/444,974.67
  6. Step 6: Final answer
    x = 162,025.59

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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.