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Finding the Fourth Proportional to 483,906.75, 667,791.32 and 271,938.75

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Solution

The fourth proportional to 483,906.75, 667,791.32 and 271,938.75 is: 375,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,906.75 : 667,791.32 = 271,938.75 : x
  2. Step 2: Convert to fraction form
    483,906.75/667,791.32 = 271,938.75/x
  3. Step 3: Cross multiply
    483,906.75x = 667,791.32 × 271,938.75
  4. Step 4: Simplify right side
    483,906.75x = 181,598,335,461.96
  5. Step 5: Solve for x
    x = 181,598,335,461.96/483,906.75
  6. Step 6: Final answer
    x = 375,275.48

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1.5x scale

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.