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Finding the Fourth Proportional to 536,893.12, 740,912.97 and 295,179.82

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Solution

The fourth proportional to 536,893.12, 740,912.97 and 295,179.82 is: 407,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,893.12 : 740,912.97 = 295,179.82 : x
  2. Step 2: Convert to fraction form
    536,893.12/740,912.97 = 295,179.82/x
  3. Step 3: Cross multiply
    536,893.12x = 740,912.97 × 295,179.82
  4. Step 4: Simplify right side
    536,893.12x = 218,702,557,120.27
  5. Step 5: Solve for x
    x = 218,702,557,120.27/536,893.12
  6. Step 6: Final answer
    x = 407,348.41

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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.