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Finding the Fourth Proportional to 375,770.22, 518,560.98 and 203,687.52

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Solution

The fourth proportional to 375,770.22, 518,560.98 and 203,687.52 is: 281,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,770.22 : 518,560.98 = 203,687.52 : x
  2. Step 2: Convert to fraction form
    375,770.22/518,560.98 = 203,687.52/x
  3. Step 3: Cross multiply
    375,770.22x = 518,560.98 × 203,687.52
  4. Step 4: Simplify right side
    375,770.22x = 105,624,399,984.97
  5. Step 5: Solve for x
    x = 105,624,399,984.97/375,770.22
  6. Step 6: Final answer
    x = 281,087.73

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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.