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Finding the Fourth Proportional to 332.92, 458.85 and 222.22

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Solution

The fourth proportional to 332.92, 458.85 and 222.22 is: 306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.92 : 458.85 = 222.22 : x
  2. Step 2: Convert to fraction form
    332.92/458.85 = 222.22/x
  3. Step 3: Cross multiply
    332.92x = 458.85 × 222.22
  4. Step 4: Simplify right side
    332.92x = 101,965.65
  5. Step 5: Solve for x
    x = 101,965.65/332.92
  6. Step 6: Final answer
    x = 306.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.