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Finding the Fourth Proportional to 226,716.40, 340,420.20 and 133,404.40

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Solution

The fourth proportional to 226,716.40, 340,420.20 and 133,404.40 is: 200,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,716.40 : 340,420.20 = 133,404.40 : x
  2. Step 2: Convert to fraction form
    226,716.40/340,420.20 = 133,404.40/x
  3. Step 3: Cross multiply
    226,716.40x = 340,420.20 × 133,404.40
  4. Step 4: Simplify right side
    226,716.40x = 45,413,552,528.88
  5. Step 5: Solve for x
    x = 45,413,552,528.88/226,716.40
  6. Step 6: Final answer
    x = 200,309.96

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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.