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Finding the Fourth Proportional to 568,488.10, 851,768.63 and 343,375.57

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Solution

The fourth proportional to 568,488.10, 851,768.63 and 343,375.57 is: 514,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,488.10 : 851,768.63 = 343,375.57 : x
  2. Step 2: Convert to fraction form
    568,488.10/851,768.63 = 343,375.57/x
  3. Step 3: Cross multiply
    568,488.10x = 851,768.63 × 343,375.57
  4. Step 4: Simplify right side
    568,488.10x = 292,476,540,361.17
  5. Step 5: Solve for x
    x = 292,476,540,361.17/568,488.10
  6. Step 6: Final answer
    x = 514,481.38

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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.