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Finding the Fourth Proportional to 449,241.52, 673,816.11 and 149,689.75

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Solution

The fourth proportional to 449,241.52, 673,816.11 and 149,689.75 is: 224,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,241.52 : 673,816.11 = 149,689.75 : x
  2. Step 2: Convert to fraction form
    449,241.52/673,816.11 = 149,689.75/x
  3. Step 3: Cross multiply
    449,241.52x = 673,816.11 × 149,689.75
  4. Step 4: Simplify right side
    449,241.52x = 100,863,365,051.87
  5. Step 5: Solve for x
    x = 100,863,365,051.87/449,241.52
  6. Step 6: Final answer
    x = 224,519.24

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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.