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Finding the Fourth Proportional to 568,422.68, 851,893.57 and 231,069.27

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Solution

The fourth proportional to 568,422.68, 851,893.57 and 231,069.27 is: 346,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,422.68 : 851,893.57 = 231,069.27 : x
  2. Step 2: Convert to fraction form
    568,422.68/851,893.57 = 231,069.27/x
  3. Step 3: Cross multiply
    568,422.68x = 851,893.57 × 231,069.27
  4. Step 4: Simplify right side
    568,422.68x = 196,846,419,922.78
  5. Step 5: Solve for x
    x = 196,846,419,922.78/568,422.68
  6. Step 6: Final answer
    x = 346,302.90

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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.