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Finding the Fourth Proportional to 449,233.95, 673,623.34 and 149,609.48

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Solution

The fourth proportional to 449,233.95, 673,623.34 and 149,609.48 is: 224,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,233.95 : 673,623.34 = 149,609.48 : x
  2. Step 2: Convert to fraction form
    449,233.95/673,623.34 = 149,609.48/x
  3. Step 3: Cross multiply
    449,233.95x = 673,623.34 × 149,609.48
  4. Step 4: Simplify right side
    449,233.95x = 100,780,437,660.25
  5. Step 5: Solve for x
    x = 100,780,437,660.25/449,233.95
  6. Step 6: Final answer
    x = 224,338.43

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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.