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Finding the Fourth Proportional to 288,786.22, 433,253.22 and 111,245.56

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Solution

The fourth proportional to 288,786.22, 433,253.22 and 111,245.56 is: 166,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,786.22 : 433,253.22 = 111,245.56 : x
  2. Step 2: Convert to fraction form
    288,786.22/433,253.22 = 111,245.56/x
  3. Step 3: Cross multiply
    288,786.22x = 433,253.22 × 111,245.56
  4. Step 4: Simplify right side
    288,786.22x = 48,197,497,080.70
  5. Step 5: Solve for x
    x = 48,197,497,080.70/288,786.22
  6. Step 6: Final answer
    x = 166,896.80

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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.