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Finding the Fourth Proportional to 603,372.34, 832,612.77 and 331,451.70

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Solution

The fourth proportional to 603,372.34, 832,612.77 and 331,451.70 is: 457,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,372.34 : 832,612.77 = 331,451.70 : x
  2. Step 2: Convert to fraction form
    603,372.34/832,612.77 = 331,451.70/x
  3. Step 3: Cross multiply
    603,372.34x = 832,612.77 × 331,451.70
  4. Step 4: Simplify right side
    603,372.34x = 275,970,914,935.91
  5. Step 5: Solve for x
    x = 275,970,914,935.91/603,372.34
  6. Step 6: Final answer
    x = 457,380.78

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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.