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Finding the Fourth Proportional to 1,194.60, 1,791.24 and 372.74

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Solution

The fourth proportional to 1,194.60, 1,791.24 and 372.74 is: 558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.60 : 1,791.24 = 372.74 : x
  2. Step 2: Convert to fraction form
    1,194.60/1,791.24 = 372.74/x
  3. Step 3: Cross multiply
    1,194.60x = 1,791.24 × 372.74
  4. Step 4: Simplify right side
    1,194.60x = 667,666.80
  5. Step 5: Solve for x
    x = 667,666.80/1,194.60
  6. Step 6: Final answer
    x = 558.90

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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.