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Finding the Fourth Proportional to 269,504,865.20, 404,257,297.80 and 267,237,383.60

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Solution

The fourth proportional to 269,504,865.20, 404,257,297.80 and 267,237,383.60 is: 400,856,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,504,865.20 : 404,257,297.80 = 267,237,383.60 : x
  2. Step 2: Convert to fraction form
    269,504,865.20/404,257,297.80 = 267,237,383.60/x
  3. Step 3: Cross multiply
    269,504,865.20x = 404,257,297.80 × 267,237,383.60
  4. Step 4: Simplify right side
    269,504,865.20x = 108,032,662,565,278,032
  5. Step 5: Solve for x
    x = 108,032,662,565,278,032/269,504,865.20
  6. Step 6: Final answer
    x = 400,856,075.40

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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.