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Finding the Fourth Proportional to 603,912.70, 905,293.05 and 224,731.90

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Solution

The fourth proportional to 603,912.70, 905,293.05 and 224,731.90 is: 336,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,912.70 : 905,293.05 = 224,731.90 : x
  2. Step 2: Convert to fraction form
    603,912.70/905,293.05 = 224,731.90/x
  3. Step 3: Cross multiply
    603,912.70x = 905,293.05 × 224,731.90
  4. Step 4: Simplify right side
    603,912.70x = 203,448,227,183.30
  5. Step 5: Solve for x
    x = 203,448,227,183.30/603,912.70
  6. Step 6: Final answer
    x = 336,883.51

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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.