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Finding the Fourth Proportional to 444,920.58, 667,375.25 and 107,964

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Solution

The fourth proportional to 444,920.58, 667,375.25 and 107,964 is: 161,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,920.58 : 667,375.25 = 107,964 : x
  2. Step 2: Convert to fraction form
    444,920.58/667,375.25 = 107,964/x
  3. Step 3: Cross multiply
    444,920.58x = 667,375.25 × 107,964
  4. Step 4: Simplify right side
    444,920.58x = 72,052,500,951.18
  5. Step 5: Solve for x
    x = 72,052,500,951.18/444,920.58
  6. Step 6: Final answer
    x = 161,944.64

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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.