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Finding the Fourth Proportional to 494,920.36, 682,991.96 and 268,565.88

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Solution

The fourth proportional to 494,920.36, 682,991.96 and 268,565.88 is: 370,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,920.36 : 682,991.96 = 268,565.88 : x
  2. Step 2: Convert to fraction form
    494,920.36/682,991.96 = 268,565.88/x
  3. Step 3: Cross multiply
    494,920.36x = 682,991.96 × 268,565.88
  4. Step 4: Simplify right side
    494,920.36x = 183,428,336,770.33
  5. Step 5: Solve for x
    x = 183,428,336,770.33/494,920.36
  6. Step 6: Final answer
    x = 370,621.93

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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.