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Finding the Fourth Proportional to 267,581.64, 369,069.30 and 227,231.76

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Solution

The fourth proportional to 267,581.64, 369,069.30 and 227,231.76 is: 313,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,581.64 : 369,069.30 = 227,231.76 : x
  2. Step 2: Convert to fraction form
    267,581.64/369,069.30 = 227,231.76/x
  3. Step 3: Cross multiply
    267,581.64x = 369,069.30 × 227,231.76
  4. Step 4: Simplify right side
    267,581.64x = 83,864,266,600.97
  5. Step 5: Solve for x
    x = 83,864,266,600.97/267,581.64
  6. Step 6: Final answer
    x = 313,415.62

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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.