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Finding the Fourth Proportional to 318,310.52, 439,266.22 and 175,067.48

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Solution

The fourth proportional to 318,310.52, 439,266.22 and 175,067.48 is: 241,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,310.52 : 439,266.22 = 175,067.48 : x
  2. Step 2: Convert to fraction form
    318,310.52/439,266.22 = 175,067.48/x
  3. Step 3: Cross multiply
    318,310.52x = 439,266.22 × 175,067.48
  4. Step 4: Simplify right side
    318,310.52x = 76,901,230,184.53
  5. Step 5: Solve for x
    x = 76,901,230,184.53/318,310.52
  6. Step 6: Final answer
    x = 241,591.86

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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.