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Finding the Fourth Proportional to 271,693.40, 407,540.10 and 227,734.70

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Solution

The fourth proportional to 271,693.40, 407,540.10 and 227,734.70 is: 341,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,693.40 : 407,540.10 = 227,734.70 : x
  2. Step 2: Convert to fraction form
    271,693.40/407,540.10 = 227,734.70/x
  3. Step 3: Cross multiply
    271,693.40x = 407,540.10 × 227,734.70
  4. Step 4: Simplify right side
    271,693.40x = 92,811,022,411.47
  5. Step 5: Solve for x
    x = 92,811,022,411.47/271,693.40
  6. Step 6: Final answer
    x = 341,602.05

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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.