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Finding the Fourth Proportional to 352.20, 481.73 and 346.53

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Solution

The fourth proportional to 352.20, 481.73 and 346.53 is: 473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.20 : 481.73 = 346.53 : x
  2. Step 2: Convert to fraction form
    352.20/481.73 = 346.53/x
  3. Step 3: Cross multiply
    352.20x = 481.73 × 346.53
  4. Step 4: Simplify right side
    352.20x = 166,934.95
  5. Step 5: Solve for x
    x = 166,934.95/352.20
  6. Step 6: Final answer
    x = 473.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.