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Finding the Fourth Proportional to 524,882.92, 787,449.30 and 169,896.90

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Solution

The fourth proportional to 524,882.92, 787,449.30 and 169,896.90 is: 254,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,882.92 : 787,449.30 = 169,896.90 : x
  2. Step 2: Convert to fraction form
    524,882.92/787,449.30 = 169,896.90/x
  3. Step 3: Cross multiply
    524,882.92x = 787,449.30 × 169,896.90
  4. Step 4: Simplify right side
    524,882.92x = 133,785,194,977.17
  5. Step 5: Solve for x
    x = 133,785,194,977.17/524,882.92
  6. Step 6: Final answer
    x = 254,885.78

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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.