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Finding the Fourth Proportional to 293,997.60, 440,542.80 and 218,764.80

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Solution

The fourth proportional to 293,997.60, 440,542.80 and 218,764.80 is: 327,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,997.60 : 440,542.80 = 218,764.80 : x
  2. Step 2: Convert to fraction form
    293,997.60/440,542.80 = 218,764.80/x
  3. Step 3: Cross multiply
    293,997.60x = 440,542.80 × 218,764.80
  4. Step 4: Simplify right side
    293,997.60x = 96,375,257,533.44
  5. Step 5: Solve for x
    x = 96,375,257,533.44/293,997.60
  6. Step 6: Final answer
    x = 327,809.67

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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.