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Finding the Fourth Proportional to 1,195.48, 1,793.22 and 329.77

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Solution

The fourth proportional to 1,195.48, 1,793.22 and 329.77 is: 494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.48 : 1,793.22 = 329.77 : x
  2. Step 2: Convert to fraction form
    1,195.48/1,793.22 = 329.77/x
  3. Step 3: Cross multiply
    1,195.48x = 1,793.22 × 329.77
  4. Step 4: Simplify right side
    1,195.48x = 591,350.16
  5. Step 5: Solve for x
    x = 591,350.16/1,195.48
  6. Step 6: Final answer
    x = 494.66

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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.