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Finding the Fourth Proportional to 437,616.70, 656,446.65 and 227,664.70

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Solution

The fourth proportional to 437,616.70, 656,446.65 and 227,664.70 is: 341,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,616.70 : 656,446.65 = 227,664.70 : x
  2. Step 2: Convert to fraction form
    437,616.70/656,446.65 = 227,664.70/x
  3. Step 3: Cross multiply
    437,616.70x = 656,446.65 × 227,664.70
  4. Step 4: Simplify right side
    437,616.70x = 149,449,729,638.26
  5. Step 5: Solve for x
    x = 149,449,729,638.26/437,616.70
  6. Step 6: Final answer
    x = 341,508.29

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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.