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Finding the Fourth Proportional to 352.46, 528.69 and 95.96

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Solution

The fourth proportional to 352.46, 528.69 and 95.96 is: 143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.46 : 528.69 = 95.96 : x
  2. Step 2: Convert to fraction form
    352.46/528.69 = 95.96/x
  3. Step 3: Cross multiply
    352.46x = 528.69 × 95.96
  4. Step 4: Simplify right side
    352.46x = 50,733.99
  5. Step 5: Solve for x
    x = 50,733.99/352.46
  6. Step 6: Final answer
    x = 143.94

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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.