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Finding the Fourth Proportional to 267,203.30, 400,767.89 and 67,511.36

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Solution

The fourth proportional to 267,203.30, 400,767.89 and 67,511.36 is: 101,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,203.30 : 400,767.89 = 67,511.36 : x
  2. Step 2: Convert to fraction form
    267,203.30/400,767.89 = 67,511.36/x
  3. Step 3: Cross multiply
    267,203.30x = 400,767.89 × 67,511.36
  4. Step 4: Simplify right side
    267,203.30x = 27,056,385,962.59
  5. Step 5: Solve for x
    x = 27,056,385,962.59/267,203.30
  6. Step 6: Final answer
    x = 101,257.68

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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.