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Finding the Fourth Proportional to 1,327.48, 1,991.14 and 596.81

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Solution

The fourth proportional to 1,327.48, 1,991.14 and 596.81 is: 895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.48 : 1,991.14 = 596.81 : x
  2. Step 2: Convert to fraction form
    1,327.48/1,991.14 = 596.81/x
  3. Step 3: Cross multiply
    1,327.48x = 1,991.14 × 596.81
  4. Step 4: Simplify right side
    1,327.48x = 1,188,335.75
  5. Step 5: Solve for x
    x = 1,188,335.75/1,327.48
  6. Step 6: Final answer
    x = 895.18

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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.