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Finding the Fourth Proportional to 269,736.80, 404,289.84 and 202,962.56

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Solution

The fourth proportional to 269,736.80, 404,289.84 and 202,962.56 is: 304,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,736.80 : 404,289.84 = 202,962.56 : x
  2. Step 2: Convert to fraction form
    269,736.80/404,289.84 = 202,962.56/x
  3. Step 3: Cross multiply
    269,736.80x = 404,289.84 × 202,962.56
  4. Step 4: Simplify right side
    269,736.80x = 82,055,700,908.39
  5. Step 5: Solve for x
    x = 82,055,700,908.39/269,736.80
  6. Step 6: Final answer
    x = 304,206.55

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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.