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Finding the Fourth Proportional to 226,765.80, 339,739.10 and 200,551.40

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Solution

The fourth proportional to 226,765.80, 339,739.10 and 200,551.40 is: 300,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,765.80 : 339,739.10 = 200,551.40 : x
  2. Step 2: Convert to fraction form
    226,765.80/339,739.10 = 200,551.40/x
  3. Step 3: Cross multiply
    226,765.80x = 339,739.10 × 200,551.40
  4. Step 4: Simplify right side
    226,765.80x = 68,135,152,139.74
  5. Step 5: Solve for x
    x = 68,135,152,139.74/226,765.80
  6. Step 6: Final answer
    x = 300,464.85

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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.