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Finding the Fourth Proportional to 267,330.42, 401,622.68 and 252,198.81

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Solution

The fourth proportional to 267,330.42, 401,622.68 and 252,198.81 is: 378,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,330.42 : 401,622.68 = 252,198.81 : x
  2. Step 2: Convert to fraction form
    267,330.42/401,622.68 = 252,198.81/x
  3. Step 3: Cross multiply
    267,330.42x = 401,622.68 × 252,198.81
  4. Step 4: Simplify right side
    267,330.42x = 101,288,761,965.01
  5. Step 5: Solve for x
    x = 101,288,761,965.01/267,330.42
  6. Step 6: Final answer
    x = 378,889.77

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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.