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Finding the Fourth Proportional to 547,552.57, 821,844.09 and 277,874.33

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Solution

The fourth proportional to 547,552.57, 821,844.09 and 277,874.33 is: 417,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,552.57 : 821,844.09 = 277,874.33 : x
  2. Step 2: Convert to fraction form
    547,552.57/821,844.09 = 277,874.33/x
  3. Step 3: Cross multiply
    547,552.57x = 821,844.09 × 277,874.33
  4. Step 4: Simplify right side
    547,552.57x = 228,369,375,873.21
  5. Step 5: Solve for x
    x = 228,369,375,873.21/547,552.57
  6. Step 6: Final answer
    x = 417,072.97

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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.