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Finding the Fourth Proportional to 444,995.72, 667,419.78 and 160,631.73

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Solution

The fourth proportional to 444,995.72, 667,419.78 and 160,631.73 is: 240,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,995.72 : 667,419.78 = 160,631.73 : x
  2. Step 2: Convert to fraction form
    444,995.72/667,419.78 = 160,631.73/x
  3. Step 3: Cross multiply
    444,995.72x = 667,419.78 × 160,631.73
  4. Step 4: Simplify right side
    444,995.72x = 107,208,795,021.78
  5. Step 5: Solve for x
    x = 107,208,795,021.78/444,995.72
  6. Step 6: Final answer
    x = 240,920.96

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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.