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Finding the Fourth Proportional to 451,198.76, 676,773.22 and 151,648.44

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Solution

The fourth proportional to 451,198.76, 676,773.22 and 151,648.44 is: 227,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,198.76 : 676,773.22 = 151,648.44 : x
  2. Step 2: Convert to fraction form
    451,198.76/676,773.22 = 151,648.44/x
  3. Step 3: Cross multiply
    451,198.76x = 676,773.22 × 151,648.44
  4. Step 4: Simplify right side
    451,198.76x = 102,631,603,046.78
  5. Step 5: Solve for x
    x = 102,631,603,046.78/451,198.76
  6. Step 6: Final answer
    x = 227,464.28

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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.