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Finding the Fourth Proportional to 437,635.20, 656,539.20 and 367,996.80

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Solution

The fourth proportional to 437,635.20, 656,539.20 and 367,996.80 is: 552,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,635.20 : 656,539.20 = 367,996.80 : x
  2. Step 2: Convert to fraction form
    437,635.20/656,539.20 = 367,996.80/x
  3. Step 3: Cross multiply
    437,635.20x = 656,539.20 × 367,996.80
  4. Step 4: Simplify right side
    437,635.20x = 241,604,324,674.56
  5. Step 5: Solve for x
    x = 241,604,324,674.56/437,635.20
  6. Step 6: Final answer
    x = 552,067.85

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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.