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Finding the Fourth Proportional to 267,385.30, 400,807.91 and 167,615.43

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Solution

The fourth proportional to 267,385.30, 400,807.91 and 167,615.43 is: 251,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,385.30 : 400,807.91 = 167,615.43 : x
  2. Step 2: Convert to fraction form
    267,385.30/400,807.91 = 167,615.43/x
  3. Step 3: Cross multiply
    267,385.30x = 400,807.91 × 167,615.43
  4. Step 4: Simplify right side
    267,385.30x = 67,181,588,178.01
  5. Step 5: Solve for x
    x = 67,181,588,178.01/267,385.30
  6. Step 6: Final answer
    x = 251,253.86

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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.