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Finding the Fourth Proportional to 271,481.40, 374,299.92 and 194,049.72

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Solution

The fourth proportional to 271,481.40, 374,299.92 and 194,049.72 is: 267,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,481.40 : 374,299.92 = 194,049.72 : x
  2. Step 2: Convert to fraction form
    271,481.40/374,299.92 = 194,049.72/x
  3. Step 3: Cross multiply
    271,481.40x = 374,299.92 × 194,049.72
  4. Step 4: Simplify right side
    271,481.40x = 72,632,794,672.02
  5. Step 5: Solve for x
    x = 72,632,794,672.02/271,481.40
  6. Step 6: Final answer
    x = 267,542.43

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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.