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Finding the Fourth Proportional to 269,640.32, 404,145.59 and 202,865.94

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Solution

The fourth proportional to 269,640.32, 404,145.59 and 202,865.94 is: 304,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,640.32 : 404,145.59 = 202,865.94 : x
  2. Step 2: Convert to fraction form
    269,640.32/404,145.59 = 202,865.94/x
  3. Step 3: Cross multiply
    269,640.32x = 404,145.59 × 202,865.94
  4. Step 4: Simplify right side
    269,640.32x = 81,987,373,997.87
  5. Step 5: Solve for x
    x = 81,987,373,997.87/269,640.32
  6. Step 6: Final answer
    x = 304,062.00

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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.