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Finding the Fourth Proportional to 486,173.44, 729,383.33 and 149,231.16

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Solution

The fourth proportional to 486,173.44, 729,383.33 and 149,231.16 is: 223,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,173.44 : 729,383.33 = 149,231.16 : x
  2. Step 2: Convert to fraction form
    486,173.44/729,383.33 = 149,231.16/x
  3. Step 3: Cross multiply
    486,173.44x = 729,383.33 × 149,231.16
  4. Step 4: Simplify right side
    486,173.44x = 108,846,720,793.64
  5. Step 5: Solve for x
    x = 108,846,720,793.64/486,173.44
  6. Step 6: Final answer
    x = 223,884.55

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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.