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Finding the Fourth Proportional to 269,196.01, 371,145.44 and 220,619.09

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Solution

The fourth proportional to 269,196.01, 371,145.44 and 220,619.09 is: 304,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,196.01 : 371,145.44 = 220,619.09 : x
  2. Step 2: Convert to fraction form
    269,196.01/371,145.44 = 220,619.09/x
  3. Step 3: Cross multiply
    269,196.01x = 371,145.44 × 220,619.09
  4. Step 4: Simplify right side
    269,196.01x = 81,881,770,709.86
  5. Step 5: Solve for x
    x = 81,881,770,709.86/269,196.01
  6. Step 6: Final answer
    x = 304,171.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.