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Finding the Fourth Proportional to 1,197.73, 1,797.50 and 548.92

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Solution

The fourth proportional to 1,197.73, 1,797.50 and 548.92 is: 823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.73 : 1,797.50 = 548.92 : x
  2. Step 2: Convert to fraction form
    1,197.73/1,797.50 = 548.92/x
  3. Step 3: Cross multiply
    1,197.73x = 1,797.50 × 548.92
  4. Step 4: Simplify right side
    1,197.73x = 986,683.70
  5. Step 5: Solve for x
    x = 986,683.70/1,197.73
  6. Step 6: Final answer
    x = 823.79

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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.