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Finding the Fourth Proportional to 362.70, 543.58 and 167.67

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Solution

The fourth proportional to 362.70, 543.58 and 167.67 is: 251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.70 : 543.58 = 167.67 : x
  2. Step 2: Convert to fraction form
    362.70/543.58 = 167.67/x
  3. Step 3: Cross multiply
    362.70x = 543.58 × 167.67
  4. Step 4: Simplify right side
    362.70x = 91,141.22
  5. Step 5: Solve for x
    x = 91,141.22/362.70
  6. Step 6: Final answer
    x = 251.29

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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.