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Finding the Fourth Proportional to 1,197.25, 1,794.99 and 806.27

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Solution

The fourth proportional to 1,197.25, 1,794.99 and 806.27 is: 1,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.25 : 1,794.99 = 806.27 : x
  2. Step 2: Convert to fraction form
    1,197.25/1,794.99 = 806.27/x
  3. Step 3: Cross multiply
    1,197.25x = 1,794.99 × 806.27
  4. Step 4: Simplify right side
    1,197.25x = 1,447,250.73
  5. Step 5: Solve for x
    x = 1,447,250.73/1,197.25
  6. Step 6: Final answer
    x = 1,208.81

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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.