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Finding the Fourth Proportional to 474,396.92, 654,696.78 and 273,257.72

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Solution

The fourth proportional to 474,396.92, 654,696.78 and 273,257.72 is: 377,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,396.92 : 654,696.78 = 273,257.72 : x
  2. Step 2: Convert to fraction form
    474,396.92/654,696.78 = 273,257.72/x
  3. Step 3: Cross multiply
    474,396.92x = 654,696.78 × 273,257.72
  4. Step 4: Simplify right side
    474,396.92x = 178,900,949,394.14
  5. Step 5: Solve for x
    x = 178,900,949,394.14/474,396.92
  6. Step 6: Final answer
    x = 377,112.38

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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.