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Finding the Fourth Proportional to 269,744.01, 404,615.96 and 80,203.60

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Solution

The fourth proportional to 269,744.01, 404,615.96 and 80,203.60 is: 120,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,744.01 : 404,615.96 = 80,203.60 : x
  2. Step 2: Convert to fraction form
    269,744.01/404,615.96 = 80,203.60/x
  3. Step 3: Cross multiply
    269,744.01x = 404,615.96 × 80,203.60
  4. Step 4: Simplify right side
    269,744.01x = 32,451,657,014.97
  5. Step 5: Solve for x
    x = 32,451,657,014.97/269,744.01
  6. Step 6: Final answer
    x = 120,305.39

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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.