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Finding the Fourth Proportional to 494,027.21, 681,758.00 and 267,672.71

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Solution

The fourth proportional to 494,027.21, 681,758.00 and 267,672.71 is: 369,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,027.21 : 681,758.00 = 267,672.71 : x
  2. Step 2: Convert to fraction form
    494,027.21/681,758.00 = 267,672.71/x
  3. Step 3: Cross multiply
    494,027.21x = 681,758.00 × 267,672.71
  4. Step 4: Simplify right side
    494,027.21x = 182,488,013,797.76
  5. Step 5: Solve for x
    x = 182,488,013,797.76/494,027.21
  6. Step 6: Final answer
    x = 369,388.59

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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.