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Finding the Fourth Proportional to 483,100.43, 666,665.78 and 268,234.97

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Solution

The fourth proportional to 483,100.43, 666,665.78 and 268,234.97 is: 370,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,100.43 : 666,665.78 = 268,234.97 : x
  2. Step 2: Convert to fraction form
    483,100.43/666,665.78 = 268,234.97/x
  3. Step 3: Cross multiply
    483,100.43x = 666,665.78 × 268,234.97
  4. Step 4: Simplify right side
    483,100.43x = 178,823,070,823.82
  5. Step 5: Solve for x
    x = 178,823,070,823.82/483,100.43
  6. Step 6: Final answer
    x = 370,157.14

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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.