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Finding the Fourth Proportional to 352.24, 485.67 and 273.48

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Solution

The fourth proportional to 352.24, 485.67 and 273.48 is: 377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.24 : 485.67 = 273.48 : x
  2. Step 2: Convert to fraction form
    352.24/485.67 = 273.48/x
  3. Step 3: Cross multiply
    352.24x = 485.67 × 273.48
  4. Step 4: Simplify right side
    352.24x = 132,821.03
  5. Step 5: Solve for x
    x = 132,821.03/352.24
  6. Step 6: Final answer
    x = 377.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.