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Finding the Fourth Proportional to 568,668.03, 853,122.33 and 213,685.12

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Solution

The fourth proportional to 568,668.03, 853,122.33 and 213,685.12 is: 320,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,668.03 : 853,122.33 = 213,685.12 : x
  2. Step 2: Convert to fraction form
    568,668.03/853,122.33 = 213,685.12/x
  3. Step 3: Cross multiply
    568,668.03x = 853,122.33 × 213,685.12
  4. Step 4: Simplify right side
    568,668.03x = 182,299,547,460.73
  5. Step 5: Solve for x
    x = 182,299,547,460.73/568,668.03
  6. Step 6: Final answer
    x = 320,572.88

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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.