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Finding the Fourth Proportional to 533,872.20, 800,808.30 and 523,374.60

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Solution

The fourth proportional to 533,872.20, 800,808.30 and 523,374.60 is: 785,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,872.20 : 800,808.30 = 523,374.60 : x
  2. Step 2: Convert to fraction form
    533,872.20/800,808.30 = 523,374.60/x
  3. Step 3: Cross multiply
    533,872.20x = 800,808.30 × 523,374.60
  4. Step 4: Simplify right side
    533,872.20x = 419,122,723,689.18
  5. Step 5: Solve for x
    x = 419,122,723,689.18/533,872.20
  6. Step 6: Final answer
    x = 785,061.90

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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.