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Finding the Fourth Proportional to 391,380.08, 587,237.24 and 166,846.24

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Solution

The fourth proportional to 391,380.08, 587,237.24 and 166,846.24 is: 250,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,380.08 : 587,237.24 = 166,846.24 : x
  2. Step 2: Convert to fraction form
    391,380.08/587,237.24 = 166,846.24/x
  3. Step 3: Cross multiply
    391,380.08x = 587,237.24 × 166,846.24
  4. Step 4: Simplify right side
    391,380.08x = 97,978,325,481.98
  5. Step 5: Solve for x
    x = 97,978,325,481.98/391,380.08
  6. Step 6: Final answer
    x = 250,340.60

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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.