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Finding the Fourth Proportional to 449,593.65, 673,809.12 and 336,385.64

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Solution

The fourth proportional to 449,593.65, 673,809.12 and 336,385.64 is: 504,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,593.65 : 673,809.12 = 336,385.64 : x
  2. Step 2: Convert to fraction form
    449,593.65/673,809.12 = 336,385.64/x
  3. Step 3: Cross multiply
    449,593.65x = 673,809.12 × 336,385.64
  4. Step 4: Simplify right side
    449,593.65x = 226,659,713,753.56
  5. Step 5: Solve for x
    x = 226,659,713,753.56/449,593.65
  6. Step 6: Final answer
    x = 504,143.49

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Similar ratio
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1.5x scale

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.