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Finding the Fourth Proportional to 1,194.53, 1,791.71 and 609.17

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Solution

The fourth proportional to 1,194.53, 1,791.71 and 609.17 is: 913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.53 : 1,791.71 = 609.17 : x
  2. Step 2: Convert to fraction form
    1,194.53/1,791.71 = 609.17/x
  3. Step 3: Cross multiply
    1,194.53x = 1,791.71 × 609.17
  4. Step 4: Simplify right side
    1,194.53x = 1,091,455.98
  5. Step 5: Solve for x
    x = 1,091,455.98/1,194.53
  6. Step 6: Final answer
    x = 913.71

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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.