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Finding the Fourth Proportional to 533,665.00, 800,811.80 and 196,942.60

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Solution

The fourth proportional to 533,665.00, 800,811.80 and 196,942.60 is: 295,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,665.00 : 800,811.80 = 196,942.60 : x
  2. Step 2: Convert to fraction form
    533,665.00/800,811.80 = 196,942.60/x
  3. Step 3: Cross multiply
    533,665.00x = 800,811.80 × 196,942.60
  4. Step 4: Simplify right side
    533,665.00x = 157,713,953,013.91
  5. Step 5: Solve for x
    x = 157,713,953,013.91/533,665.00
  6. Step 6: Final answer
    x = 295,529.88

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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.