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Finding the Fourth Proportional to 334.62, 501.96 and 161.46

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Solution

The fourth proportional to 334.62, 501.96 and 161.46 is: 242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.62 : 501.96 = 161.46 : x
  2. Step 2: Convert to fraction form
    334.62/501.96 = 161.46/x
  3. Step 3: Cross multiply
    334.62x = 501.96 × 161.46
  4. Step 4: Simplify right side
    334.62x = 81,046.46
  5. Step 5: Solve for x
    x = 81,046.46/334.62
  6. Step 6: Final answer
    x = 242.20

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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.