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Finding the Fourth Proportional to 1,197.23, 1,796.75 and 548.42

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Solution

The fourth proportional to 1,197.23, 1,796.75 and 548.42 is: 823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.23 : 1,796.75 = 548.42 : x
  2. Step 2: Convert to fraction form
    1,197.23/1,796.75 = 548.42/x
  3. Step 3: Cross multiply
    1,197.23x = 1,796.75 × 548.42
  4. Step 4: Simplify right side
    1,197.23x = 985,370.89
  5. Step 5: Solve for x
    x = 985,370.89/1,197.23
  6. Step 6: Final answer
    x = 823.04

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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.