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Finding the Fourth Proportional to 479,115.80, 718,796.78 and 179,600.44

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Solution

The fourth proportional to 479,115.80, 718,796.78 and 179,600.44 is: 269,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,115.80 : 718,796.78 = 179,600.44 : x
  2. Step 2: Convert to fraction form
    479,115.80/718,796.78 = 179,600.44/x
  3. Step 3: Cross multiply
    479,115.80x = 718,796.78 × 179,600.44
  4. Step 4: Simplify right side
    479,115.80x = 129,096,217,958.58
  5. Step 5: Solve for x
    x = 129,096,217,958.58/479,115.80
  6. Step 6: Final answer
    x = 269,446.80

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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.