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Finding the Fourth Proportional to 494,517, 682,433.46 and 268,162.68

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Solution

The fourth proportional to 494,517, 682,433.46 and 268,162.68 is: 370,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,517 : 682,433.46 = 268,162.68 : x
  2. Step 2: Convert to fraction form
    494,517/682,433.46 = 268,162.68/x
  3. Step 3: Cross multiply
    494,517x = 682,433.46 × 268,162.68
  4. Step 4: Simplify right side
    494,517x = 183,003,185,555.27
  5. Step 5: Solve for x
    x = 183,003,185,555.27/494,517
  6. Step 6: Final answer
    x = 370,064.50

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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.