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Finding the Fourth Proportional to 796.94, 1,195.50 and 249.17

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Solution

The fourth proportional to 796.94, 1,195.50 and 249.17 is: 373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.94 : 1,195.50 = 249.17 : x
  2. Step 2: Convert to fraction form
    796.94/1,195.50 = 249.17/x
  3. Step 3: Cross multiply
    796.94x = 1,195.50 × 249.17
  4. Step 4: Simplify right side
    796.94x = 297,876.76
  5. Step 5: Solve for x
    x = 297,876.76/796.94
  6. Step 6: Final answer
    x = 373.78

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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.