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Finding the Fourth Proportional to 379,605.88, 523,862.34 and 226,657.44

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Solution

The fourth proportional to 379,605.88, 523,862.34 and 226,657.44 is: 312,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,605.88 : 523,862.34 = 226,657.44 : x
  2. Step 2: Convert to fraction form
    379,605.88/523,862.34 = 226,657.44/x
  3. Step 3: Cross multiply
    379,605.88x = 523,862.34 × 226,657.44
  4. Step 4: Simplify right side
    379,605.88x = 118,737,297,959.27
  5. Step 5: Solve for x
    x = 118,737,297,959.27/379,605.88
  6. Step 6: Final answer
    x = 312,790.98

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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.