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Finding the Fourth Proportional to 568,984.10, 853,603.28 and 214,001.20

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Solution

The fourth proportional to 568,984.10, 853,603.28 and 214,001.20 is: 321,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,984.10 : 853,603.28 = 214,001.20 : x
  2. Step 2: Convert to fraction form
    568,984.10/853,603.28 = 214,001.20/x
  3. Step 3: Cross multiply
    568,984.10x = 853,603.28 × 214,001.20
  4. Step 4: Simplify right side
    568,984.10x = 182,672,126,243.94
  5. Step 5: Solve for x
    x = 182,672,126,243.94/568,984.10
  6. Step 6: Final answer
    x = 321,049.61

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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.