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Finding the Fourth Proportional to 494,891.65, 682,958.42 and 268,537.15

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Solution

The fourth proportional to 494,891.65, 682,958.42 and 268,537.15 is: 370,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,891.65 : 682,958.42 = 268,537.15 : x
  2. Step 2: Convert to fraction form
    494,891.65/682,958.42 = 268,537.15/x
  3. Step 3: Cross multiply
    494,891.65x = 682,958.42 × 268,537.15
  4. Step 4: Simplify right side
    494,891.65x = 183,399,707,675.30
  5. Step 5: Solve for x
    x = 183,399,707,675.30/494,891.65
  6. Step 6: Final answer
    x = 370,585.58

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1.5x scale

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.