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Finding the Fourth Proportional to 483,906.72, 667,753.28 and 269,033.60

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Solution

The fourth proportional to 483,906.72, 667,753.28 and 269,033.60 is: 371,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,906.72 : 667,753.28 = 269,033.60 : x
  2. Step 2: Convert to fraction form
    483,906.72/667,753.28 = 269,033.60/x
  3. Step 3: Cross multiply
    483,906.72x = 667,753.28 × 269,033.60
  4. Step 4: Simplify right side
    483,906.72x = 179,648,068,830.21
  5. Step 5: Solve for x
    x = 179,648,068,830.21/483,906.72
  6. Step 6: Final answer
    x = 371,245.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.