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Finding the Fourth Proportional to 533,902.80, 800,618.04 and 159,856.08

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Solution

The fourth proportional to 533,902.80, 800,618.04 and 159,856.08 is: 239,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,902.80 : 800,618.04 = 159,856.08 : x
  2. Step 2: Convert to fraction form
    533,902.80/800,618.04 = 159,856.08/x
  3. Step 3: Cross multiply
    533,902.80x = 800,618.04 × 159,856.08
  4. Step 4: Simplify right side
    533,902.80x = 127,983,661,451.68
  5. Step 5: Solve for x
    x = 127,983,661,451.68/533,902.80
  6. Step 6: Final answer
    x = 239,713.41

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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.