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Finding the Fourth Proportional to 568,839.65, 853,508.41 and 269,533.85

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Solution

The fourth proportional to 568,839.65, 853,508.41 and 269,533.85 is: 404,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,839.65 : 853,508.41 = 269,533.85 : x
  2. Step 2: Convert to fraction form
    568,839.65/853,508.41 = 269,533.85/x
  3. Step 3: Cross multiply
    568,839.65x = 853,508.41 × 269,533.85
  4. Step 4: Simplify right side
    568,839.65x = 230,049,402,813.30
  5. Step 5: Solve for x
    x = 230,049,402,813.30/568,839.65
  6. Step 6: Final answer
    x = 404,418.72

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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.