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Finding the Fourth Proportional to 323,069.46, 445,828.14 and 179,826.43

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Solution

The fourth proportional to 323,069.46, 445,828.14 and 179,826.43 is: 248,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,069.46 : 445,828.14 = 179,826.43 : x
  2. Step 2: Convert to fraction form
    323,069.46/445,828.14 = 179,826.43/x
  3. Step 3: Cross multiply
    323,069.46x = 445,828.14 × 179,826.43
  4. Step 4: Simplify right side
    323,069.46x = 80,171,682,809.74
  5. Step 5: Solve for x
    x = 80,171,682,809.74/323,069.46
  6. Step 6: Final answer
    x = 248,156.18

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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.