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Finding the Fourth Proportional to 793.59, 1,190.43 and 273.62

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Solution

The fourth proportional to 793.59, 1,190.43 and 273.62 is: 410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.59 : 1,190.43 = 273.62 : x
  2. Step 2: Convert to fraction form
    793.59/1,190.43 = 273.62/x
  3. Step 3: Cross multiply
    793.59x = 1,190.43 × 273.62
  4. Step 4: Simplify right side
    793.59x = 325,719.50
  5. Step 5: Solve for x
    x = 325,719.50/793.59
  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.