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Finding the Fourth Proportional to 300,865.73, 450,581.13 and 174,238.43

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Solution

The fourth proportional to 300,865.73, 450,581.13 and 174,238.43 is: 260,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,865.73 : 450,581.13 = 174,238.43 : x
  2. Step 2: Convert to fraction form
    300,865.73/450,581.13 = 174,238.43/x
  3. Step 3: Cross multiply
    300,865.73x = 450,581.13 × 174,238.43
  4. Step 4: Simplify right side
    300,865.73x = 78,508,546,425.92
  5. Step 5: Solve for x
    x = 78,508,546,425.92/300,865.73
  6. Step 6: Final answer
    x = 260,942.14

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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.