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Finding the Fourth Proportional to 444,845.10, 667,267.65 and 415,101.90

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Solution

The fourth proportional to 444,845.10, 667,267.65 and 415,101.90 is: 622,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,845.10 : 667,267.65 = 415,101.90 : x
  2. Step 2: Convert to fraction form
    444,845.10/667,267.65 = 415,101.90/x
  3. Step 3: Cross multiply
    444,845.10x = 667,267.65 × 415,101.90
  4. Step 4: Simplify right side
    444,845.10x = 276,984,069,323.54
  5. Step 5: Solve for x
    x = 276,984,069,323.54/444,845.10
  6. Step 6: Final answer
    x = 622,652.85

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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.