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Finding the Fourth Proportional to 449,591.39, 673,805.76 and 336,383.38

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Solution

The fourth proportional to 449,591.39, 673,805.76 and 336,383.38 is: 504,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,591.39 : 673,805.76 = 336,383.38 : x
  2. Step 2: Convert to fraction form
    449,591.39/673,805.76 = 336,383.38/x
  3. Step 3: Cross multiply
    449,591.39x = 673,805.76 × 336,383.38
  4. Step 4: Simplify right side
    449,591.39x = 226,657,058,593.09
  5. Step 5: Solve for x
    x = 226,657,058,593.09/449,591.39
  6. Step 6: Final answer
    x = 504,140.12

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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.