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Finding the Fourth Proportional to 568,605.11, 853,319.19 and 222,439.65

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Solution

The fourth proportional to 568,605.11, 853,319.19 and 222,439.65 is: 333,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,605.11 : 853,319.19 = 222,439.65 : x
  2. Step 2: Convert to fraction form
    568,605.11/853,319.19 = 222,439.65/x
  3. Step 3: Cross multiply
    568,605.11x = 853,319.19 × 222,439.65
  4. Step 4: Simplify right side
    568,605.11x = 189,812,019,596.09
  5. Step 5: Solve for x
    x = 189,812,019,596.09/568,605.11
  6. Step 6: Final answer
    x = 333,820.46

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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.