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Finding the Fourth Proportional to 534,200.70, 800,136.42 and 267,496.02

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Solution

The fourth proportional to 534,200.70, 800,136.42 and 267,496.02 is: 400,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,200.70 : 800,136.42 = 267,496.02 : x
  2. Step 2: Convert to fraction form
    534,200.70/800,136.42 = 267,496.02/x
  3. Step 3: Cross multiply
    534,200.70x = 800,136.42 × 267,496.02
  4. Step 4: Simplify right side
    534,200.70x = 214,033,307,807.05
  5. Step 5: Solve for x
    x = 214,033,307,807.05/534,200.70
  6. Step 6: Final answer
    x = 400,660.85

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1.5x scale

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.