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Finding the Fourth Proportional to 449,380.72, 673,845.27 and 149,756.32

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Solution

The fourth proportional to 449,380.72, 673,845.27 and 149,756.32 is: 224,559.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,380.72 : 673,845.27 = 149,756.32 : x
  2. Step 2: Convert to fraction form
    449,380.72/673,845.27 = 149,756.32/x
  3. Step 3: Cross multiply
    449,380.72x = 673,845.27 × 149,756.32
  4. Step 4: Simplify right side
    449,380.72x = 100,912,587,884.61
  5. Step 5: Solve for x
    x = 100,912,587,884.61/449,380.72
  6. Step 6: Final answer
    x = 224,559.23

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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.