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Finding the Fourth Proportional to 503,597.20, 755,136.60 and 187,891.60

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Solution

The fourth proportional to 503,597.20, 755,136.60 and 187,891.60 is: 281,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,597.20 : 755,136.60 = 187,891.60 : x
  2. Step 2: Convert to fraction form
    503,597.20/755,136.60 = 187,891.60/x
  3. Step 3: Cross multiply
    503,597.20x = 755,136.60 × 187,891.60
  4. Step 4: Simplify right side
    503,597.20x = 141,883,823,992.56
  5. Step 5: Solve for x
    x = 141,883,823,992.56/503,597.20
  6. Step 6: Final answer
    x = 281,740.69

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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.