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Finding the Fourth Proportional to 494,797.37, 682,817.51 and 268,438.01

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Solution

The fourth proportional to 494,797.37, 682,817.51 and 268,438.01 is: 370,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,797.37 : 682,817.51 = 268,438.01 : x
  2. Step 2: Convert to fraction form
    494,797.37/682,817.51 = 268,438.01/x
  3. Step 3: Cross multiply
    494,797.37x = 682,817.51 × 268,438.01
  4. Step 4: Simplify right side
    494,797.37x = 183,294,170,834.56
  5. Step 5: Solve for x
    x = 183,294,170,834.56/494,797.37
  6. Step 6: Final answer
    x = 370,442.90

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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.