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Finding the Fourth Proportional to 440,611.26, 660,951.90 and 187,893.90

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Solution

The fourth proportional to 440,611.26, 660,951.90 and 187,893.90 is: 281,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,611.26 : 660,951.90 = 187,893.90 : x
  2. Step 2: Convert to fraction form
    440,611.26/660,951.90 = 187,893.90/x
  3. Step 3: Cross multiply
    440,611.26x = 660,951.90 × 187,893.90
  4. Step 4: Simplify right side
    440,611.26x = 124,188,830,203.41
  5. Step 5: Solve for x
    x = 124,188,830,203.41/440,611.26
  6. Step 6: Final answer
    x = 281,855.78

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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.