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Finding the Fourth Proportional to 353.08, 529.60 and 160.48

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Solution

The fourth proportional to 353.08, 529.60 and 160.48 is: 240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.08 : 529.60 = 160.48 : x
  2. Step 2: Convert to fraction form
    353.08/529.60 = 160.48/x
  3. Step 3: Cross multiply
    353.08x = 529.60 × 160.48
  4. Step 4: Simplify right side
    353.08x = 84,990.21
  5. Step 5: Solve for x
    x = 84,990.21/353.08
  6. Step 6: Final answer
    x = 240.71

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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.