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Finding the Fourth Proportional to 568,985.62, 853,605.53 and 214,002.71

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Solution

The fourth proportional to 568,985.62, 853,605.53 and 214,002.71 is: 321,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,985.62 : 853,605.53 = 214,002.71 : x
  2. Step 2: Convert to fraction form
    568,985.62/853,605.53 = 214,002.71/x
  3. Step 3: Cross multiply
    568,985.62x = 853,605.53 × 214,002.71
  4. Step 4: Simplify right side
    568,985.62x = 182,673,895,620.97
  5. Step 5: Solve for x
    x = 182,673,895,620.97/568,985.62
  6. Step 6: Final answer
    x = 321,051.87

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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.