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Finding the Fourth Proportional to 352.75, 529.34 and 160.38

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Solution

The fourth proportional to 352.75, 529.34 and 160.38 is: 240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.75 : 529.34 = 160.38 : x
  2. Step 2: Convert to fraction form
    352.75/529.34 = 160.38/x
  3. Step 3: Cross multiply
    352.75x = 529.34 × 160.38
  4. Step 4: Simplify right side
    352.75x = 84,895.55
  5. Step 5: Solve for x
    x = 84,895.55/352.75
  6. Step 6: Final answer
    x = 240.67

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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.