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Finding the Fourth Proportional to 568,961.70, 853,862.48 and 269,441.70

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Solution

The fourth proportional to 568,961.70, 853,862.48 and 269,441.70 is: 404,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,961.70 : 853,862.48 = 269,441.70 : x
  2. Step 2: Convert to fraction form
    568,961.70/853,862.48 = 269,441.70/x
  3. Step 3: Cross multiply
    568,961.70x = 853,862.48 × 269,441.70
  4. Step 4: Simplify right side
    568,961.70x = 230,066,158,177.42
  5. Step 5: Solve for x
    x = 230,066,158,177.42/568,961.70
  6. Step 6: Final answer
    x = 404,361.42

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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.