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Finding the Fourth Proportional to 269,722.40, 404,583.60 and 169,995.20

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Solution

The fourth proportional to 269,722.40, 404,583.60 and 169,995.20 is: 254,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,722.40 : 404,583.60 = 169,995.20 : x
  2. Step 2: Convert to fraction form
    269,722.40/404,583.60 = 169,995.20/x
  3. Step 3: Cross multiply
    269,722.40x = 404,583.60 × 169,995.20
  4. Step 4: Simplify right side
    269,722.40x = 68,777,269,998.72
  5. Step 5: Solve for x
    x = 68,777,269,998.72/269,722.40
  6. Step 6: Final answer
    x = 254,992.80

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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.