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Finding the Fourth Proportional to 332.62, 499.12 and 170.22

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Solution

The fourth proportional to 332.62, 499.12 and 170.22 is: 255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.62 : 499.12 = 170.22 : x
  2. Step 2: Convert to fraction form
    332.62/499.12 = 170.22/x
  3. Step 3: Cross multiply
    332.62x = 499.12 × 170.22
  4. Step 4: Simplify right side
    332.62x = 84,960.21
  5. Step 5: Solve for x
    x = 84,960.21/332.62
  6. Step 6: Final answer
    x = 255.43

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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.