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Finding the Fourth Proportional to 1,193.22, 1,789.83 and 327.56

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Solution

The fourth proportional to 1,193.22, 1,789.83 and 327.56 is: 491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.22 : 1,789.83 = 327.56 : x
  2. Step 2: Convert to fraction form
    1,193.22/1,789.83 = 327.56/x
  3. Step 3: Cross multiply
    1,193.22x = 1,789.83 × 327.56
  4. Step 4: Simplify right side
    1,193.22x = 586,267.77
  5. Step 5: Solve for x
    x = 586,267.77/1,193.22
  6. Step 6: Final answer
    x = 491.33

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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.