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Finding the Fourth Proportional to 449,868.32, 673,397.04 and 300,231.20

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Solution

The fourth proportional to 449,868.32, 673,397.04 and 300,231.20 is: 449,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,868.32 : 673,397.04 = 300,231.20 : x
  2. Step 2: Convert to fraction form
    449,868.32/673,397.04 = 300,231.20/x
  3. Step 3: Cross multiply
    449,868.32x = 673,397.04 × 300,231.20
  4. Step 4: Simplify right side
    449,868.32x = 202,174,801,395.65
  5. Step 5: Solve for x
    x = 202,174,801,395.65/449,868.32
  6. Step 6: Final answer
    x = 449,408.84

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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.