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Finding the Fourth Proportional to 449,175.78, 673,002.37 and 271,309.10

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Solution

The fourth proportional to 449,175.78, 673,002.37 and 271,309.10 is: 406,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,175.78 : 673,002.37 = 271,309.10 : x
  2. Step 2: Convert to fraction form
    449,175.78/673,002.37 = 271,309.10/x
  3. Step 3: Cross multiply
    449,175.78x = 673,002.37 × 271,309.10
  4. Step 4: Simplify right side
    449,175.78x = 182,591,664,276.69
  5. Step 5: Solve for x
    x = 182,591,664,276.69/449,175.78
  6. Step 6: Final answer
    x = 406,503.81

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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.