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Finding the Fourth Proportional to 226,778.80, 339,758.60 and 200,564.40

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Solution

The fourth proportional to 226,778.80, 339,758.60 and 200,564.40 is: 300,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,778.80 : 339,758.60 = 200,564.40 : x
  2. Step 2: Convert to fraction form
    226,778.80/339,758.60 = 200,564.40/x
  3. Step 3: Cross multiply
    226,778.80x = 339,758.60 × 200,564.40
  4. Step 4: Simplify right side
    226,778.80x = 68,143,479,753.84
  5. Step 5: Solve for x
    x = 68,143,479,753.84/226,778.80
  6. Step 6: Final answer
    x = 300,484.35

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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.