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Finding the Fourth Proportional to 445,342.68, 667,848.24 and 179,013.60

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Solution

The fourth proportional to 445,342.68, 667,848.24 and 179,013.60 is: 268,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,342.68 : 667,848.24 = 179,013.60 : x
  2. Step 2: Convert to fraction form
    445,342.68/667,848.24 = 179,013.60/x
  3. Step 3: Cross multiply
    445,342.68x = 667,848.24 × 179,013.60
  4. Step 4: Simplify right side
    445,342.68x = 119,553,917,696.06
  5. Step 5: Solve for x
    x = 119,553,917,696.06/445,342.68
  6. Step 6: Final answer
    x = 268,453.76

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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.