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Finding the Fourth Proportional to 483,786.72, 725,745.78 and 168,202.80

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Solution

The fourth proportional to 483,786.72, 725,745.78 and 168,202.80 is: 252,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,786.72 : 725,745.78 = 168,202.80 : x
  2. Step 2: Convert to fraction form
    483,786.72/725,745.78 = 168,202.80/x
  3. Step 3: Cross multiply
    483,786.72x = 725,745.78 × 168,202.80
  4. Step 4: Simplify right side
    483,786.72x = 122,072,472,284.18
  5. Step 5: Solve for x
    x = 122,072,472,284.18/483,786.72
  6. Step 6: Final answer
    x = 252,327.04

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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.