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Finding the Fourth Proportional to 603,049.50, 832,202.55 and 331,115.02

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Solution

The fourth proportional to 603,049.50, 832,202.55 and 331,115.02 is: 456,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,049.50 : 832,202.55 = 331,115.02 : x
  2. Step 2: Convert to fraction form
    603,049.50/832,202.55 = 331,115.02/x
  3. Step 3: Cross multiply
    603,049.50x = 832,202.55 × 331,115.02
  4. Step 4: Simplify right side
    603,049.50x = 275,554,761,906.80
  5. Step 5: Solve for x
    x = 275,554,761,906.80/603,049.50
  6. Step 6: Final answer
    x = 456,935.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.