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Finding the Fourth Proportional to 362.14, 543.36 and 169.62

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Solution

The fourth proportional to 362.14, 543.36 and 169.62 is: 254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.14 : 543.36 = 169.62 : x
  2. Step 2: Convert to fraction form
    362.14/543.36 = 169.62/x
  3. Step 3: Cross multiply
    362.14x = 543.36 × 169.62
  4. Step 4: Simplify right side
    362.14x = 92,164.72
  5. Step 5: Solve for x
    x = 92,164.72/362.14
  6. Step 6: Final answer
    x = 254.50

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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.