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Finding the Fourth Proportional to 449,289.72, 673,709.22 and 149,664.96

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Solution

The fourth proportional to 449,289.72, 673,709.22 and 149,664.96 is: 224,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,289.72 : 673,709.22 = 149,664.96 : x
  2. Step 2: Convert to fraction form
    449,289.72/673,709.22 = 149,664.96/x
  3. Step 3: Cross multiply
    449,289.72x = 673,709.22 × 149,664.96
  4. Step 4: Simplify right side
    449,289.72x = 100,830,663,462.93
  5. Step 5: Solve for x
    x = 100,830,663,462.93/449,289.72
  6. Step 6: Final answer
    x = 224,422.37

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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.