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Finding the Fourth Proportional to 341,198.45, 511,863.28 and 130,819.98

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Solution

The fourth proportional to 341,198.45, 511,863.28 and 130,819.98 is: 196,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,198.45 : 511,863.28 = 130,819.98 : x
  2. Step 2: Convert to fraction form
    341,198.45/511,863.28 = 130,819.98/x
  3. Step 3: Cross multiply
    341,198.45x = 511,863.28 × 130,819.98
  4. Step 4: Simplify right side
    341,198.45x = 66,961,945,644.77
  5. Step 5: Solve for x
    x = 66,961,945,644.77/341,198.45
  6. Step 6: Final answer
    x = 196,255.13

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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.