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Finding the Fourth Proportional to 796.47, 1,194.44 and 276.33

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Solution

The fourth proportional to 796.47, 1,194.44 and 276.33 is: 414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.47 : 1,194.44 = 276.33 : x
  2. Step 2: Convert to fraction form
    796.47/1,194.44 = 276.33/x
  3. Step 3: Cross multiply
    796.47x = 1,194.44 × 276.33
  4. Step 4: Simplify right side
    796.47x = 330,062.70
  5. Step 5: Solve for x
    x = 330,062.70/796.47
  6. Step 6: Final answer
    x = 414.41

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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.