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Finding the Fourth Proportional to 1,198.07, 1,796.43 and 466.81

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Solution

The fourth proportional to 1,198.07, 1,796.43 and 466.81 is: 699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.07 : 1,796.43 = 466.81 : x
  2. Step 2: Convert to fraction form
    1,198.07/1,796.43 = 466.81/x
  3. Step 3: Cross multiply
    1,198.07x = 1,796.43 × 466.81
  4. Step 4: Simplify right side
    1,198.07x = 838,591.49
  5. Step 5: Solve for x
    x = 838,591.49/1,198.07
  6. Step 6: Final answer
    x = 699.95

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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.