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Finding the Fourth Proportional to 533,783.56, 800,564.70 and 196,736.92

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Solution

The fourth proportional to 533,783.56, 800,564.70 and 196,736.92 is: 295,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,783.56 : 800,564.70 = 196,736.92 : x
  2. Step 2: Convert to fraction form
    533,783.56/800,564.70 = 196,736.92/x
  3. Step 3: Cross multiply
    533,783.56x = 800,564.70 × 196,736.92
  4. Step 4: Simplify right side
    533,783.56x = 157,500,633,338.72
  5. Step 5: Solve for x
    x = 157,500,633,338.72/533,783.56
  6. Step 6: Final answer
    x = 295,064.60

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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.