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Finding the Fourth Proportional to 378,217.62, 567,367.94 and 188,725.68

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Solution

The fourth proportional to 378,217.62, 567,367.94 and 188,725.68 is: 283,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,217.62 : 567,367.94 = 188,725.68 : x
  2. Step 2: Convert to fraction form
    378,217.62/567,367.94 = 188,725.68/x
  3. Step 3: Cross multiply
    378,217.62x = 567,367.94 × 188,725.68
  4. Step 4: Simplify right side
    378,217.62x = 107,076,900,758.51
  5. Step 5: Solve for x
    x = 107,076,900,758.51/378,217.62
  6. Step 6: Final answer
    x = 283,109.23

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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.