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Finding the Fourth Proportional to 533,619.62, 800,370.23 and 134,260.46

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Solution

The fourth proportional to 533,619.62, 800,370.23 and 134,260.46 is: 201,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,619.62 : 800,370.23 = 134,260.46 : x
  2. Step 2: Convert to fraction form
    533,619.62/800,370.23 = 134,260.46/x
  3. Step 3: Cross multiply
    533,619.62x = 800,370.23 × 134,260.46
  4. Step 4: Simplify right side
    533,619.62x = 107,458,070,576.95
  5. Step 5: Solve for x
    x = 107,458,070,576.95/533,619.62
  6. Step 6: Final answer
    x = 201,375.79

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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.