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Finding the Fourth Proportional to 603,399.57, 905,481.17 and 337,334.63

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Solution

The fourth proportional to 603,399.57, 905,481.17 and 337,334.63 is: 506,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,399.57 : 905,481.17 = 337,334.63 : x
  2. Step 2: Convert to fraction form
    603,399.57/905,481.17 = 337,334.63/x
  3. Step 3: Cross multiply
    603,399.57x = 905,481.17 × 337,334.63
  4. Step 4: Simplify right side
    603,399.57x = 305,450,149,239.84
  5. Step 5: Solve for x
    x = 305,450,149,239.84/603,399.57
  6. Step 6: Final answer
    x = 506,215.39

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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.