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Finding the Fourth Proportional to 483,845.33, 667,729.34 and 268,988.98

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Solution

The fourth proportional to 483,845.33, 667,729.34 and 268,988.98 is: 371,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,845.33 : 667,729.34 = 268,988.98 : x
  2. Step 2: Convert to fraction form
    483,845.33/667,729.34 = 268,988.98/x
  3. Step 3: Cross multiply
    483,845.33x = 667,729.34 × 268,988.98
  4. Step 4: Simplify right side
    483,845.33x = 179,611,834,082.67
  5. Step 5: Solve for x
    x = 179,611,834,082.67/483,845.33
  6. Step 6: Final answer
    x = 371,217.46

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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.