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Finding the Fourth Proportional to 433,422.26, 650,195.52 and 133,928.96

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Solution

The fourth proportional to 433,422.26, 650,195.52 and 133,928.96 is: 200,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,422.26 : 650,195.52 = 133,928.96 : x
  2. Step 2: Convert to fraction form
    433,422.26/650,195.52 = 133,928.96/x
  3. Step 3: Cross multiply
    433,422.26x = 650,195.52 × 133,928.96
  4. Step 4: Simplify right side
    433,422.26x = 87,080,009,790.26
  5. Step 5: Solve for x
    x = 87,080,009,790.26/433,422.26
  6. Step 6: Final answer
    x = 200,912.64

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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.