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Finding the Fourth Proportional to 437,614.20, 656,442.90 and 227,662.20

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Solution

The fourth proportional to 437,614.20, 656,442.90 and 227,662.20 is: 341,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,614.20 : 656,442.90 = 227,662.20 : x
  2. Step 2: Convert to fraction form
    437,614.20/656,442.90 = 227,662.20/x
  3. Step 3: Cross multiply
    437,614.20x = 656,442.90 × 227,662.20
  4. Step 4: Simplify right side
    437,614.20x = 149,447,234,788.38
  5. Step 5: Solve for x
    x = 149,447,234,788.38/437,614.20
  6. Step 6: Final answer
    x = 341,504.54

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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.