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Finding the Fourth Proportional to 568,987.62, 853,608.53 and 214,004.71

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Solution

The fourth proportional to 568,987.62, 853,608.53 and 214,004.71 is: 321,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,987.62 : 853,608.53 = 214,004.71 : x
  2. Step 2: Convert to fraction form
    568,987.62/853,608.53 = 214,004.71/x
  3. Step 3: Cross multiply
    568,987.62x = 853,608.53 × 214,004.71
  4. Step 4: Simplify right side
    568,987.62x = 182,676,245,916.18
  5. Step 5: Solve for x
    x = 182,676,245,916.18/568,987.62
  6. Step 6: Final answer
    x = 321,054.87

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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.