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Finding the Fourth Proportional to 1,194.08, 1,791.12 and 372.56

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Solution

The fourth proportional to 1,194.08, 1,791.12 and 372.56 is: 558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.08 : 1,791.12 = 372.56 : x
  2. Step 2: Convert to fraction form
    1,194.08/1,791.12 = 372.56/x
  3. Step 3: Cross multiply
    1,194.08x = 1,791.12 × 372.56
  4. Step 4: Simplify right side
    1,194.08x = 667,299.67
  5. Step 5: Solve for x
    x = 667,299.67/1,194.08
  6. Step 6: Final answer
    x = 558.84

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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.