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Finding the Fourth Proportional to 483,859.08, 667,687.70 and 268,986.06

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Solution

The fourth proportional to 483,859.08, 667,687.70 and 268,986.06 is: 371,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,859.08 : 667,687.70 = 268,986.06 : x
  2. Step 2: Convert to fraction form
    483,859.08/667,687.70 = 268,986.06/x
  3. Step 3: Cross multiply
    483,859.08x = 667,687.70 × 268,986.06
  4. Step 4: Simplify right side
    483,859.08x = 179,598,683,733.46
  5. Step 5: Solve for x
    x = 179,598,683,733.46/483,859.08
  6. Step 6: Final answer
    x = 371,179.73

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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.