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Finding the Fourth Proportional to 444,830.10, 667,245.15 and 415,086.90

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Solution

The fourth proportional to 444,830.10, 667,245.15 and 415,086.90 is: 622,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,830.10 : 667,245.15 = 415,086.90 : x
  2. Step 2: Convert to fraction form
    444,830.10/667,245.15 = 415,086.90/x
  3. Step 3: Cross multiply
    444,830.10x = 667,245.15 × 415,086.90
  4. Step 4: Simplify right side
    444,830.10x = 276,964,720,853.54
  5. Step 5: Solve for x
    x = 276,964,720,853.54/444,830.10
  6. Step 6: Final answer
    x = 622,630.35

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Similar ratio
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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.