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Finding the Fourth Proportional to 271,463.38, 374,664.43 and 150,643.47

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Solution

The fourth proportional to 271,463.38, 374,664.43 and 150,643.47 is: 207,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,463.38 : 374,664.43 = 150,643.47 : x
  2. Step 2: Convert to fraction form
    271,463.38/374,664.43 = 150,643.47/x
  3. Step 3: Cross multiply
    271,463.38x = 374,664.43 × 150,643.47
  4. Step 4: Simplify right side
    271,463.38x = 56,440,751,414.07
  5. Step 5: Solve for x
    x = 56,440,751,414.07/271,463.38
  6. Step 6: Final answer
    x = 207,912.95

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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.