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Finding the Fourth Proportional to 378,251.40, 568,033.20 and 201,104.40

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Solution

The fourth proportional to 378,251.40, 568,033.20 and 201,104.40 is: 302,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,251.40 : 568,033.20 = 201,104.40 : x
  2. Step 2: Convert to fraction form
    378,251.40/568,033.20 = 201,104.40/x
  3. Step 3: Cross multiply
    378,251.40x = 568,033.20 × 201,104.40
  4. Step 4: Simplify right side
    378,251.40x = 114,233,975,866.08
  5. Step 5: Solve for x
    x = 114,233,975,866.08/378,251.40
  6. Step 6: Final answer
    x = 302,005.43

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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.