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Finding the Fourth Proportional to 269,921.20, 404,881.80 and 227,930.80

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Solution

The fourth proportional to 269,921.20, 404,881.80 and 227,930.80 is: 341,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,921.20 : 404,881.80 = 227,930.80 : x
  2. Step 2: Convert to fraction form
    269,921.20/404,881.80 = 227,930.80/x
  3. Step 3: Cross multiply
    269,921.20x = 404,881.80 × 227,930.80
  4. Step 4: Simplify right side
    269,921.20x = 92,285,032,579.44
  5. Step 5: Solve for x
    x = 92,285,032,579.44/269,921.20
  6. Step 6: Final answer
    x = 341,896.20

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1.5x scale

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.