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Finding the Fourth Proportional to 404,274.52, 557,885.94 and 222,994.36

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Solution

The fourth proportional to 404,274.52, 557,885.94 and 222,994.36 is: 307,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,274.52 : 557,885.94 = 222,994.36 : x
  2. Step 2: Convert to fraction form
    404,274.52/557,885.94 = 222,994.36/x
  3. Step 3: Cross multiply
    404,274.52x = 557,885.94 × 222,994.36
  4. Step 4: Simplify right side
    404,274.52x = 124,405,418,143.30
  5. Step 5: Solve for x
    x = 124,405,418,143.30/404,274.52
  6. Step 6: Final answer
    x = 307,725.10

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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.