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Finding the Fourth Proportional to 301,198.40, 451,279.20 and 195,963.20

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Solution

The fourth proportional to 301,198.40, 451,279.20 and 195,963.20 is: 293,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,198.40 : 451,279.20 = 195,963.20 : x
  2. Step 2: Convert to fraction form
    301,198.40/451,279.20 = 195,963.20/x
  3. Step 3: Cross multiply
    301,198.40x = 451,279.20 × 195,963.20
  4. Step 4: Simplify right side
    301,198.40x = 88,434,116,125.44
  5. Step 5: Solve for x
    x = 88,434,116,125.44/301,198.40
  6. Step 6: Final answer
    x = 293,607.52

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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.