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Finding the Fourth Proportional to 483,042.67, 666,600.36 and 268,183.28

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Solution

The fourth proportional to 483,042.67, 666,600.36 and 268,183.28 is: 370,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,042.67 : 666,600.36 = 268,183.28 : x
  2. Step 2: Convert to fraction form
    483,042.67/666,600.36 = 268,183.28/x
  3. Step 3: Cross multiply
    483,042.67x = 666,600.36 × 268,183.28
  4. Step 4: Simplify right side
    483,042.67x = 178,771,070,993.98
  5. Step 5: Solve for x
    x = 178,771,070,993.98/483,042.67
  6. Step 6: Final answer
    x = 370,093.75

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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.