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Finding the Fourth Proportional to 568.97, 853.59 and 222.33

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Solution

The fourth proportional to 568.97, 853.59 and 222.33 is: 333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.97 : 853.59 = 222.33 : x
  2. Step 2: Convert to fraction form
    568.97/853.59 = 222.33/x
  3. Step 3: Cross multiply
    568.97x = 853.59 × 222.33
  4. Step 4: Simplify right side
    568.97x = 189,782.70
  5. Step 5: Solve for x
    x = 189,782.70/568.97
  6. Step 6: Final answer
    x = 333.56

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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.