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Finding the Fourth Proportional to 267,384.21, 400,806.43 and 167,614.47

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Solution

The fourth proportional to 267,384.21, 400,806.43 and 167,614.47 is: 251,252.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,384.21 : 400,806.43 = 167,614.47 : x
  2. Step 2: Convert to fraction form
    267,384.21/400,806.43 = 167,614.47/x
  3. Step 3: Cross multiply
    267,384.21x = 400,806.43 × 167,614.47
  4. Step 4: Simplify right side
    267,384.21x = 67,180,956,335.03
  5. Step 5: Solve for x
    x = 67,180,956,335.03/267,384.21
  6. Step 6: Final answer
    x = 251,252.52

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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.