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Finding the Fourth Proportional to 568,643.08, 853,259.82 and 231,930.76

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Solution

The fourth proportional to 568,643.08, 853,259.82 and 231,930.76 is: 348,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,643.08 : 853,259.82 = 231,930.76 : x
  2. Step 2: Convert to fraction form
    568,643.08/853,259.82 = 231,930.76/x
  3. Step 3: Cross multiply
    568,643.08x = 853,259.82 × 231,930.76
  4. Step 4: Simplify right side
    568,643.08x = 197,897,198,530.06
  5. Step 5: Solve for x
    x = 197,897,198,530.06/568,643.08
  6. Step 6: Final answer
    x = 348,016.54

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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.