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Finding the Fourth Proportional to 494,906.38, 682,972.62 and 268,551.88

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Solution

The fourth proportional to 494,906.38, 682,972.62 and 268,551.88 is: 370,602.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,906.38 : 682,972.62 = 268,551.88 : x
  2. Step 2: Convert to fraction form
    494,906.38/682,972.62 = 268,551.88/x
  3. Step 3: Cross multiply
    494,906.38x = 682,972.62 × 268,551.88
  4. Step 4: Simplify right side
    494,906.38x = 183,413,581,089.53
  5. Step 5: Solve for x
    x = 183,413,581,089.53/494,906.38
  6. Step 6: Final answer
    x = 370,602.58

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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.