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Finding the Fourth Proportional to 483,556.40, 667,294.56 and 268,690.94

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Solution

The fourth proportional to 483,556.40, 667,294.56 and 268,690.94 is: 370,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,556.40 : 667,294.56 = 268,690.94 : x
  2. Step 2: Convert to fraction form
    483,556.40/667,294.56 = 268,690.94/x
  3. Step 3: Cross multiply
    483,556.40x = 667,294.56 × 268,690.94
  4. Step 4: Simplify right side
    483,556.40x = 179,296,002,583.29
  5. Step 5: Solve for x
    x = 179,296,002,583.29/483,556.40
  6. Step 6: Final answer
    x = 370,786.12

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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.