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Finding the Fourth Proportional to 483,561.53, 667,301.64 and 268,696.07

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Solution

The fourth proportional to 483,561.53, 667,301.64 and 268,696.07 is: 370,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,561.53 : 667,301.64 = 268,696.07 : x
  2. Step 2: Convert to fraction form
    483,561.53/667,301.64 = 268,696.07/x
  3. Step 3: Cross multiply
    483,561.53x = 667,301.64 × 268,696.07
  4. Step 4: Simplify right side
    483,561.53x = 179,301,324,836.05
  5. Step 5: Solve for x
    x = 179,301,324,836.05/483,561.53
  6. Step 6: Final answer
    x = 370,793.20

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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.