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Finding the Fourth Proportional to 1,327.08, 1,990.73 and 596.73

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Solution

The fourth proportional to 1,327.08, 1,990.73 and 596.73 is: 895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.08 : 1,990.73 = 596.73 : x
  2. Step 2: Convert to fraction form
    1,327.08/1,990.73 = 596.73/x
  3. Step 3: Cross multiply
    1,327.08x = 1,990.73 × 596.73
  4. Step 4: Simplify right side
    1,327.08x = 1,187,928.31
  5. Step 5: Solve for x
    x = 1,187,928.31/1,327.08
  6. Step 6: Final answer
    x = 895.14

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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.