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Finding the Fourth Proportional to 269,736.40, 404,604.60 and 170,009.20

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Solution

The fourth proportional to 269,736.40, 404,604.60 and 170,009.20 is: 255,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,736.40 : 404,604.60 = 170,009.20 : x
  2. Step 2: Convert to fraction form
    269,736.40/404,604.60 = 170,009.20/x
  3. Step 3: Cross multiply
    269,736.40x = 404,604.60 × 170,009.20
  4. Step 4: Simplify right side
    269,736.40x = 68,786,504,362.32
  5. Step 5: Solve for x
    x = 68,786,504,362.32/269,736.40
  6. Step 6: Final answer
    x = 255,013.80

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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.