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Finding the Fourth Proportional to 352.59, 528.84 and 179.22

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Solution

The fourth proportional to 352.59, 528.84 and 179.22 is: 268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.59 : 528.84 = 179.22 : x
  2. Step 2: Convert to fraction form
    352.59/528.84 = 179.22/x
  3. Step 3: Cross multiply
    352.59x = 528.84 × 179.22
  4. Step 4: Simplify right side
    352.59x = 94,778.70
  5. Step 5: Solve for x
    x = 94,778.70/352.59
  6. Step 6: Final answer
    x = 268.81

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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.