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Finding the Fourth Proportional to 269,608.60, 404,745.70 and 169,768.60

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Solution

The fourth proportional to 269,608.60, 404,745.70 and 169,768.60 is: 254,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,608.60 : 404,745.70 = 169,768.60 : x
  2. Step 2: Convert to fraction form
    269,608.60/404,745.70 = 169,768.60/x
  3. Step 3: Cross multiply
    269,608.60x = 404,745.70 × 169,768.60
  4. Step 4: Simplify right side
    269,608.60x = 68,713,110,845.02
  5. Step 5: Solve for x
    x = 68,713,110,845.02/269,608.60
  6. Step 6: Final answer
    x = 254,862.46

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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.