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Finding the Fourth Proportional to 449,860.32, 673,385.04 and 300,223.20

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Solution

The fourth proportional to 449,860.32, 673,385.04 and 300,223.20 is: 449,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,860.32 : 673,385.04 = 300,223.20 : x
  2. Step 2: Convert to fraction form
    449,860.32/673,385.04 = 300,223.20/x
  3. Step 3: Cross multiply
    449,860.32x = 673,385.04 × 300,223.20
  4. Step 4: Simplify right side
    449,860.32x = 202,165,811,540.93
  5. Step 5: Solve for x
    x = 202,165,811,540.93/449,860.32
  6. Step 6: Final answer
    x = 449,396.85

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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.