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Finding the Fourth Proportional to 300,891.40, 415,213.24 and 164,899.44

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Solution

The fourth proportional to 300,891.40, 415,213.24 and 164,899.44 is: 227,551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,891.40 : 415,213.24 = 164,899.44 : x
  2. Step 2: Convert to fraction form
    300,891.40/415,213.24 = 164,899.44/x
  3. Step 3: Cross multiply
    300,891.40x = 415,213.24 × 164,899.44
  4. Step 4: Simplify right side
    300,891.40x = 68,468,430,756.59
  5. Step 5: Solve for x
    x = 68,468,430,756.59/300,891.40
  6. Step 6: Final answer
    x = 227,551.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.