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Finding the Fourth Proportional to 1,198.10, 1,797.19 and 332.34

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Solution

The fourth proportional to 1,198.10, 1,797.19 and 332.34 is: 498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198.10 : 1,797.19 = 332.34 : x
  2. Step 2: Convert to fraction form
    1,198.10/1,797.19 = 332.34/x
  3. Step 3: Cross multiply
    1,198.10x = 1,797.19 × 332.34
  4. Step 4: Simplify right side
    1,198.10x = 597,278.12
  5. Step 5: Solve for x
    x = 597,278.12/1,198.10
  6. Step 6: Final answer
    x = 498.52

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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.