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Finding the Fourth Proportional to 222,704.80, 333,619.80 and 206,958.40

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Solution

The fourth proportional to 222,704.80, 333,619.80 and 206,958.40 is: 310,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,704.80 : 333,619.80 = 206,958.40 : x
  2. Step 2: Convert to fraction form
    222,704.80/333,619.80 = 206,958.40/x
  3. Step 3: Cross multiply
    222,704.80x = 333,619.80 × 206,958.40
  4. Step 4: Simplify right side
    222,704.80x = 69,045,420,016.32
  5. Step 5: Solve for x
    x = 69,045,420,016.32/222,704.80
  6. Step 6: Final answer
    x = 310,031.13

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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.