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Finding the Fourth Proportional to 271,429.40, 407,144.10 and 227,470.70

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Solution

The fourth proportional to 271,429.40, 407,144.10 and 227,470.70 is: 341,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,429.40 : 407,144.10 = 227,470.70 : x
  2. Step 2: Convert to fraction form
    271,429.40/407,144.10 = 227,470.70/x
  3. Step 3: Cross multiply
    271,429.40x = 407,144.10 × 227,470.70
  4. Step 4: Simplify right side
    271,429.40x = 92,613,353,427.87
  5. Step 5: Solve for x
    x = 92,613,353,427.87/271,429.40
  6. Step 6: Final answer
    x = 341,206.05

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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.