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Finding the Fourth Proportional to 483,351.80, 667,012.19 and 268,486.34

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Solution

The fourth proportional to 483,351.80, 667,012.19 and 268,486.34 is: 370,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,351.80 : 667,012.19 = 268,486.34 : x
  2. Step 2: Convert to fraction form
    483,351.80/667,012.19 = 268,486.34/x
  3. Step 3: Cross multiply
    483,351.80x = 667,012.19 × 268,486.34
  4. Step 4: Simplify right side
    483,351.80x = 179,083,656,950.99
  5. Step 5: Solve for x
    x = 179,083,656,950.99/483,351.80
  6. Step 6: Final answer
    x = 370,503.76

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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.