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Finding the Fourth Proportional to 267,394.29, 400,821.53 and 167,624.56

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Solution

The fourth proportional to 267,394.29, 400,821.53 and 167,624.56 is: 251,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,394.29 : 400,821.53 = 167,624.56 : x
  2. Step 2: Convert to fraction form
    267,394.29/400,821.53 = 167,624.56/x
  3. Step 3: Cross multiply
    267,394.29x = 400,821.53 × 167,624.56
  4. Step 4: Simplify right side
    267,394.29x = 67,187,532,604.78
  5. Step 5: Solve for x
    x = 67,187,532,604.78/267,394.29
  6. Step 6: Final answer
    x = 251,267.64

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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.