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Finding the Fourth Proportional to 269,450.40, 404,175.60 and 180,220.80

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Solution

The fourth proportional to 269,450.40, 404,175.60 and 180,220.80 is: 270,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,450.40 : 404,175.60 = 180,220.80 : x
  2. Step 2: Convert to fraction form
    269,450.40/404,175.60 = 180,220.80/x
  3. Step 3: Cross multiply
    269,450.40x = 404,175.60 × 180,220.80
  4. Step 4: Simplify right side
    269,450.40x = 72,840,849,972.48
  5. Step 5: Solve for x
    x = 72,840,849,972.48/269,450.40
  6. Step 6: Final answer
    x = 270,331.20

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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.