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Finding the Fourth Proportional to 352.88, 529.36 and 160.48

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Solution

The fourth proportional to 352.88, 529.36 and 160.48 is: 240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.88 : 529.36 = 160.48 : x
  2. Step 2: Convert to fraction form
    352.88/529.36 = 160.48/x
  3. Step 3: Cross multiply
    352.88x = 529.36 × 160.48
  4. Step 4: Simplify right side
    352.88x = 84,951.69
  5. Step 5: Solve for x
    x = 84,951.69/352.88
  6. Step 6: Final answer
    x = 240.74

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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.