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Finding the Fourth Proportional to 793.60, 1,190.48 and 273.53

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Solution

The fourth proportional to 793.60, 1,190.48 and 273.53 is: 410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.60 : 1,190.48 = 273.53 : x
  2. Step 2: Convert to fraction form
    793.60/1,190.48 = 273.53/x
  3. Step 3: Cross multiply
    793.60x = 1,190.48 × 273.53
  4. Step 4: Simplify right side
    793.60x = 325,634.97
  5. Step 5: Solve for x
    x = 325,634.97/793.60
  6. Step 6: Final answer
    x = 410.33

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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.