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Finding the Fourth Proportional to 796.69, 1,194.74 and 276.56

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Solution

The fourth proportional to 796.69, 1,194.74 and 276.56 is: 414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.69 : 1,194.74 = 276.56 : x
  2. Step 2: Convert to fraction form
    796.69/1,194.74 = 276.56/x
  3. Step 3: Cross multiply
    796.69x = 1,194.74 × 276.56
  4. Step 4: Simplify right side
    796.69x = 330,415.91
  5. Step 5: Solve for x
    x = 330,415.91/796.69
  6. Step 6: Final answer
    x = 414.74

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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.