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Finding the Fourth Proportional to 449,121.72, 673,118.42 and 224,544.68

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Solution

The fourth proportional to 449,121.72, 673,118.42 and 224,544.68 is: 336,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,121.72 : 673,118.42 = 224,544.68 : x
  2. Step 2: Convert to fraction form
    449,121.72/673,118.42 = 224,544.68/x
  3. Step 3: Cross multiply
    449,121.72x = 673,118.42 × 224,544.68
  4. Step 4: Simplify right side
    449,121.72x = 151,145,160,221.01
  5. Step 5: Solve for x
    x = 151,145,160,221.01/449,121.72
  6. Step 6: Final answer
    x = 336,534.96

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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.