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Finding the Fourth Proportional to 483,893.91, 667,735.59 and 269,020.89

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Solution

The fourth proportional to 483,893.91, 667,735.59 and 269,020.89 is: 371,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,893.91 : 667,735.59 = 269,020.89 : x
  2. Step 2: Convert to fraction form
    483,893.91/667,735.59 = 269,020.89/x
  3. Step 3: Cross multiply
    483,893.91x = 667,735.59 × 269,020.89
  4. Step 4: Simplify right side
    483,893.91x = 179,634,822,706.48
  5. Step 5: Solve for x
    x = 179,634,822,706.48/483,893.91
  6. Step 6: Final answer
    x = 371,227.70

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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.