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Finding the Fourth Proportional to 1,198.08, 1,797.06 and 376.26

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Solution

The fourth proportional to 1,198.08, 1,797.06 and 376.26 is: 564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.08 : 1,797.06 = 376.26 : x
  2. Step 2: Convert to fraction form
    1,198.08/1,797.06 = 376.26/x
  3. Step 3: Cross multiply
    1,198.08x = 1,797.06 × 376.26
  4. Step 4: Simplify right side
    1,198.08x = 676,161.80
  5. Step 5: Solve for x
    x = 676,161.80/1,198.08
  6. Step 6: Final answer
    x = 564.37

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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.