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Finding the Fourth Proportional to 568,809.56, 853,217.53 and 189,729.25

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Solution

The fourth proportional to 568,809.56, 853,217.53 and 189,729.25 is: 284,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,809.56 : 853,217.53 = 189,729.25 : x
  2. Step 2: Convert to fraction form
    568,809.56/853,217.53 = 189,729.25/x
  3. Step 3: Cross multiply
    568,809.56x = 853,217.53 × 189,729.25
  4. Step 4: Simplify right side
    568,809.56x = 161,880,321,105.11
  5. Step 5: Solve for x
    x = 161,880,321,105.11/568,809.56
  6. Step 6: Final answer
    x = 284,594.94

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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.