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Finding the Fourth Proportional to 494,151.36, 681,929.46 and 267,796.86

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Solution

The fourth proportional to 494,151.36, 681,929.46 and 267,796.86 is: 369,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,151.36 : 681,929.46 = 267,796.86 : x
  2. Step 2: Convert to fraction form
    494,151.36/681,929.46 = 267,796.86/x
  3. Step 3: Cross multiply
    494,151.36x = 681,929.46 × 267,796.86
  4. Step 4: Simplify right side
    494,151.36x = 182,618,568,129.50
  5. Step 5: Solve for x
    x = 182,618,568,129.50/494,151.36
  6. Step 6: Final answer
    x = 369,559.98

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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.