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Finding the Fourth Proportional to 568,846.08, 853,396.38 and 213,863.18

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Solution

The fourth proportional to 568,846.08, 853,396.38 and 213,863.18 is: 320,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,846.08 : 853,396.38 = 213,863.18 : x
  2. Step 2: Convert to fraction form
    568,846.08/853,396.38 = 213,863.18/x
  3. Step 3: Cross multiply
    568,846.08x = 853,396.38 × 213,863.18
  4. Step 4: Simplify right side
    568,846.08x = 182,510,059,360.31
  5. Step 5: Solve for x
    x = 182,510,059,360.31/568,846.08
  6. Step 6: Final answer
    x = 320,842.61

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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.