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Finding the Fourth Proportional to 449,469.28, 673,436.44 and 247,234.58

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Solution

The fourth proportional to 449,469.28, 673,436.44 and 247,234.58 is: 370,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,469.28 : 673,436.44 = 247,234.58 : x
  2. Step 2: Convert to fraction form
    449,469.28/673,436.44 = 247,234.58/x
  3. Step 3: Cross multiply
    449,469.28x = 673,436.44 × 247,234.58
  4. Step 4: Simplify right side
    449,469.28x = 166,496,775,400.10
  5. Step 5: Solve for x
    x = 166,496,775,400.10/449,469.28
  6. Step 6: Final answer
    x = 370,429.71

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1.5x scale

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.