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Finding the Fourth Proportional to 603,771.44, 833,213.21 and 331,864.47

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Solution

The fourth proportional to 603,771.44, 833,213.21 and 331,864.47 is: 457,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,771.44 : 833,213.21 = 331,864.47 : x
  2. Step 2: Convert to fraction form
    603,771.44/833,213.21 = 331,864.47/x
  3. Step 3: Cross multiply
    603,771.44x = 833,213.21 × 331,864.47
  4. Step 4: Simplify right side
    603,771.44x = 276,513,858,674.33
  5. Step 5: Solve for x
    x = 276,513,858,674.33/603,771.44
  6. Step 6: Final answer
    x = 457,977.71

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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.