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Finding the Fourth Proportional to 533,753.91, 800,505.09 and 196,611.48

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Solution

The fourth proportional to 533,753.91, 800,505.09 and 196,611.48 is: 294,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,753.91 : 800,505.09 = 196,611.48 : x
  2. Step 2: Convert to fraction form
    533,753.91/800,505.09 = 196,611.48/x
  3. Step 3: Cross multiply
    533,753.91x = 800,505.09 × 196,611.48
  4. Step 4: Simplify right side
    533,753.91x = 157,388,490,492.43
  5. Step 5: Solve for x
    x = 157,388,490,492.43/533,753.91
  6. Step 6: Final answer
    x = 294,870.89

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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.