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Finding the Fourth Proportional to 793.58, 1,190.48 and 273.60

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Solution

The fourth proportional to 793.58, 1,190.48 and 273.60 is: 410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.58 : 1,190.48 = 273.60 : x
  2. Step 2: Convert to fraction form
    793.58/1,190.48 = 273.60/x
  3. Step 3: Cross multiply
    793.58x = 1,190.48 × 273.60
  4. Step 4: Simplify right side
    793.58x = 325,713.96
  5. Step 5: Solve for x
    x = 325,713.96/793.58
  6. Step 6: Final answer
    x = 410.44

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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.