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Finding the Fourth Proportional to 352.75, 529.23 and 160.39

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Solution

The fourth proportional to 352.75, 529.23 and 160.39 is: 240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.75 : 529.23 = 160.39 : x
  2. Step 2: Convert to fraction form
    352.75/529.23 = 160.39/x
  3. Step 3: Cross multiply
    352.75x = 529.23 × 160.39
  4. Step 4: Simplify right side
    352.75x = 84,883.20
  5. Step 5: Solve for x
    x = 84,883.20/352.75
  6. Step 6: Final answer
    x = 240.63

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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.