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Finding the Fourth Proportional to 547,893.11, 822,057.64 and 210,843.27

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Solution

The fourth proportional to 547,893.11, 822,057.64 and 210,843.27 is: 316,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,893.11 : 822,057.64 = 210,843.27 : x
  2. Step 2: Convert to fraction form
    547,893.11/822,057.64 = 210,843.27/x
  3. Step 3: Cross multiply
    547,893.11x = 822,057.64 × 210,843.27
  4. Step 4: Simplify right side
    547,893.11x = 173,325,320,946.08
  5. Step 5: Solve for x
    x = 173,325,320,946.08/547,893.11
  6. Step 6: Final answer
    x = 316,348.79

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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.