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Finding the Fourth Proportional to 568,408.20, 853,172.82 and 302,170.92

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Solution

The fourth proportional to 568,408.20, 853,172.82 and 302,170.92 is: 453,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,408.20 : 853,172.82 = 302,170.92 : x
  2. Step 2: Convert to fraction form
    568,408.20/853,172.82 = 302,170.92/x
  3. Step 3: Cross multiply
    568,408.20x = 853,172.82 × 302,170.92
  4. Step 4: Simplify right side
    568,408.20x = 257,804,015,938.39
  5. Step 5: Solve for x
    x = 257,804,015,938.39/568,408.20
  6. Step 6: Final answer
    x = 453,554.36

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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.