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Finding the Fourth Proportional to 483,610.44, 667,383.16 and 268,745

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Solution

The fourth proportional to 483,610.44, 667,383.16 and 268,745 is: 370,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,610.44 : 667,383.16 = 268,745 : x
  2. Step 2: Convert to fraction form
    483,610.44/667,383.16 = 268,745/x
  3. Step 3: Cross multiply
    483,610.44x = 667,383.16 × 268,745
  4. Step 4: Simplify right side
    483,610.44x = 179,355,887,334.20
  5. Step 5: Solve for x
    x = 179,355,887,334.20/483,610.44
  6. Step 6: Final answer
    x = 370,868.52

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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.