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Finding the Fourth Proportional to 568,930.01, 853,519.73 and 213,943.91

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Solution

The fourth proportional to 568,930.01, 853,519.73 and 213,943.91 is: 320,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,930.01 : 853,519.73 = 213,943.91 : x
  2. Step 2: Convert to fraction form
    568,930.01/853,519.73 = 213,943.91/x
  3. Step 3: Cross multiply
    568,930.01x = 853,519.73 × 213,943.91
  4. Step 4: Simplify right side
    568,930.01x = 182,605,342,961.03
  5. Step 5: Solve for x
    x = 182,605,342,961.03/568,930.01
  6. Step 6: Final answer
    x = 320,962.76

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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.