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Finding the Fourth Proportional to 568,986.62, 853,607.03 and 214,003.71

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Solution

The fourth proportional to 568,986.62, 853,607.03 and 214,003.71 is: 321,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,986.62 : 853,607.03 = 214,003.71 : x
  2. Step 2: Convert to fraction form
    568,986.62/853,607.03 = 214,003.71/x
  3. Step 3: Cross multiply
    568,986.62x = 853,607.03 × 214,003.71
  4. Step 4: Simplify right side
    568,986.62x = 182,675,070,232.06
  5. Step 5: Solve for x
    x = 182,675,070,232.06/568,986.62
  6. Step 6: Final answer
    x = 321,053.37

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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.