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Finding the Fourth Proportional to 483,991.98, 667,881.47 and 269,127.44

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Solution

The fourth proportional to 483,991.98, 667,881.47 and 269,127.44 is: 371,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,991.98 : 667,881.47 = 269,127.44 : x
  2. Step 2: Convert to fraction form
    483,991.98/667,881.47 = 269,127.44/x
  3. Step 3: Cross multiply
    483,991.98x = 667,881.47 × 269,127.44
  4. Step 4: Simplify right side
    483,991.98x = 179,745,225,559.49
  5. Step 5: Solve for x
    x = 179,745,225,559.49/483,991.98
  6. Step 6: Final answer
    x = 371,380.59

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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.