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Finding the Fourth Proportional to 533,659.80, 800,216.10 and 159,634.20

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Solution

The fourth proportional to 533,659.80, 800,216.10 and 159,634.20 is: 239,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,659.80 : 800,216.10 = 159,634.20 : x
  2. Step 2: Convert to fraction form
    533,659.80/800,216.10 = 159,634.20/x
  3. Step 3: Cross multiply
    533,659.80x = 800,216.10 × 159,634.20
  4. Step 4: Simplify right side
    533,659.80x = 127,741,856,950.62
  5. Step 5: Solve for x
    x = 127,741,856,950.62/533,659.80
  6. Step 6: Final answer
    x = 239,369.46

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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.