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Finding the Fourth Proportional to 378,007.05, 567,093.56 and 277,863.62

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Solution

The fourth proportional to 378,007.05, 567,093.56 and 277,863.62 is: 416,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,007.05 : 567,093.56 = 277,863.62 : x
  2. Step 2: Convert to fraction form
    378,007.05/567,093.56 = 277,863.62/x
  3. Step 3: Cross multiply
    378,007.05x = 567,093.56 × 277,863.62
  4. Step 4: Simplify right side
    378,007.05x = 157,574,665,235.50
  5. Step 5: Solve for x
    x = 157,574,665,235.50/378,007.05
  6. Step 6: Final answer
    x = 416,856.41

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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.