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Finding the Fourth Proportional to 483,893.66, 667,735.26 and 269,020.64

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Solution

The fourth proportional to 483,893.66, 667,735.26 and 269,020.64 is: 371,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,893.66 : 667,735.26 = 269,020.64 : x
  2. Step 2: Convert to fraction form
    483,893.66/667,735.26 = 269,020.64/x
  3. Step 3: Cross multiply
    483,893.66x = 667,735.26 × 269,020.64
  4. Step 4: Simplify right side
    483,893.66x = 179,634,566,995.77
  5. Step 5: Solve for x
    x = 179,634,566,995.77/483,893.66
  6. Step 6: Final answer
    x = 371,227.36

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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.