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Finding the Fourth Proportional to 1,195.76, 1,793.44 and 329.88

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Solution

The fourth proportional to 1,195.76, 1,793.44 and 329.88 is: 494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.76 : 1,793.44 = 329.88 : x
  2. Step 2: Convert to fraction form
    1,195.76/1,793.44 = 329.88/x
  3. Step 3: Cross multiply
    1,195.76x = 1,793.44 × 329.88
  4. Step 4: Simplify right side
    1,195.76x = 591,619.99
  5. Step 5: Solve for x
    x = 591,619.99/1,195.76
  6. Step 6: Final answer
    x = 494.76

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Double scale
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1.5x scale

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.