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Finding the Fourth Proportional to 271,651.10, 407,476.65 and 269,682.80

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Solution

The fourth proportional to 271,651.10, 407,476.65 and 269,682.80 is: 404,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,651.10 : 407,476.65 = 269,682.80 : x
  2. Step 2: Convert to fraction form
    271,651.10/407,476.65 = 269,682.80/x
  3. Step 3: Cross multiply
    271,651.10x = 407,476.65 × 269,682.80
  4. Step 4: Simplify right side
    271,651.10x = 109,889,443,906.62
  5. Step 5: Solve for x
    x = 109,889,443,906.62/271,651.10
  6. Step 6: Final answer
    x = 404,524.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.