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Finding the Fourth Proportional to 384,033.60, 576,136.80 and 226,180.80

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Solution

The fourth proportional to 384,033.60, 576,136.80 and 226,180.80 is: 339,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,033.60 : 576,136.80 = 226,180.80 : x
  2. Step 2: Convert to fraction form
    384,033.60/576,136.80 = 226,180.80/x
  3. Step 3: Cross multiply
    384,033.60x = 576,136.80 × 226,180.80
  4. Step 4: Simplify right side
    384,033.60x = 130,311,082,333.44
  5. Step 5: Solve for x
    x = 130,311,082,333.44/384,033.60
  6. Step 6: Final answer
    x = 339,322.09

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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.