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Finding the Fourth Proportional to 283,960.46, 426,103.50 and 115,449.68

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Solution

The fourth proportional to 283,960.46, 426,103.50 and 115,449.68 is: 173,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,960.46 : 426,103.50 = 115,449.68 : x
  2. Step 2: Convert to fraction form
    283,960.46/426,103.50 = 115,449.68/x
  3. Step 3: Cross multiply
    283,960.46x = 426,103.50 × 115,449.68
  4. Step 4: Simplify right side
    283,960.46x = 49,193,512,721.88
  5. Step 5: Solve for x
    x = 49,193,512,721.88/283,960.46
  6. Step 6: Final answer
    x = 173,240.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.