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Finding the Fourth Proportional to 1,327.35, 1,991.85 and 596.94

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Solution

The fourth proportional to 1,327.35, 1,991.85 and 596.94 is: 895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.35 : 1,991.85 = 596.94 : x
  2. Step 2: Convert to fraction form
    1,327.35/1,991.85 = 596.94/x
  3. Step 3: Cross multiply
    1,327.35x = 1,991.85 × 596.94
  4. Step 4: Simplify right side
    1,327.35x = 1,189,014.94
  5. Step 5: Solve for x
    x = 1,189,014.94/1,327.35
  6. Step 6: Final answer
    x = 895.78

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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.