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Finding the Fourth Proportional to 568.86, 852.66 and 222.09

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Solution

The fourth proportional to 568.86, 852.66 and 222.09 is: 332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.86 : 852.66 = 222.09 : x
  2. Step 2: Convert to fraction form
    568.86/852.66 = 222.09/x
  3. Step 3: Cross multiply
    568.86x = 852.66 × 222.09
  4. Step 4: Simplify right side
    568.86x = 189,367.26
  5. Step 5: Solve for x
    x = 189,367.26/568.86
  6. Step 6: Final answer
    x = 332.89

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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.