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Finding the Fourth Proportional to 269,560.20, 404,340.30 and 217,072.20

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Solution

The fourth proportional to 269,560.20, 404,340.30 and 217,072.20 is: 325,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,560.20 : 404,340.30 = 217,072.20 : x
  2. Step 2: Convert to fraction form
    269,560.20/404,340.30 = 217,072.20/x
  3. Step 3: Cross multiply
    269,560.20x = 404,340.30 × 217,072.20
  4. Step 4: Simplify right side
    269,560.20x = 87,771,038,469.66
  5. Step 5: Solve for x
    x = 87,771,038,469.66/269,560.20
  6. Step 6: Final answer
    x = 325,608.30

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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.