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Finding the Fourth Proportional to 352.74, 529 and 167.62

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Solution

The fourth proportional to 352.74, 529 and 167.62 is: 251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.74 : 529 = 167.62 : x
  2. Step 2: Convert to fraction form
    352.74/529 = 167.62/x
  3. Step 3: Cross multiply
    352.74x = 529 × 167.62
  4. Step 4: Simplify right side
    352.74x = 88,670.98
  5. Step 5: Solve for x
    x = 88,670.98/352.74
  6. Step 6: Final answer
    x = 251.38

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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.