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Finding the Fourth Proportional to 494,343.62, 682,192.62 and 267,989.12

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Solution

The fourth proportional to 494,343.62, 682,192.62 and 267,989.12 is: 369,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,343.62 : 682,192.62 = 267,989.12 : x
  2. Step 2: Convert to fraction form
    494,343.62/682,192.62 = 267,989.12/x
  3. Step 3: Cross multiply
    494,343.62x = 682,192.62 × 267,989.12
  4. Step 4: Simplify right side
    494,343.62x = 182,820,199,904.29
  5. Step 5: Solve for x
    x = 182,820,199,904.29/494,343.62
  6. Step 6: Final answer
    x = 369,824.13

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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.