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Finding the Fourth Proportional to 1,194.30, 1,791.42 and 372.96

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Solution

The fourth proportional to 1,194.30, 1,791.42 and 372.96 is: 559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.30 : 1,791.42 = 372.96 : x
  2. Step 2: Convert to fraction form
    1,194.30/1,791.42 = 372.96/x
  3. Step 3: Cross multiply
    1,194.30x = 1,791.42 × 372.96
  4. Step 4: Simplify right side
    1,194.30x = 668,128.00
  5. Step 5: Solve for x
    x = 668,128.00/1,194.30
  6. Step 6: Final answer
    x = 559.43

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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.