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Finding the Fourth Proportional to 603,661.89, 833,072.76 and 331,754.91

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Solution

The fourth proportional to 603,661.89, 833,072.76 and 331,754.91 is: 457,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,661.89 : 833,072.76 = 331,754.91 : x
  2. Step 2: Convert to fraction form
    603,661.89/833,072.76 = 331,754.91/x
  3. Step 3: Cross multiply
    603,661.89x = 833,072.76 × 331,754.91
  4. Step 4: Simplify right side
    603,661.89x = 276,375,978,517.25
  5. Step 5: Solve for x
    x = 276,375,978,517.25/603,661.89
  6. Step 6: Final answer
    x = 457,832.41

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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.