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Finding the Fourth Proportional to 1,194.24, 1,791.90 and 608.88

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Solution

The fourth proportional to 1,194.24, 1,791.90 and 608.88 is: 913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.24 : 1,791.90 = 608.88 : x
  2. Step 2: Convert to fraction form
    1,194.24/1,791.90 = 608.88/x
  3. Step 3: Cross multiply
    1,194.24x = 1,791.90 × 608.88
  4. Step 4: Simplify right side
    1,194.24x = 1,091,052.07
  5. Step 5: Solve for x
    x = 1,091,052.07/1,194.24
  6. Step 6: Final answer
    x = 913.60

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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.