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Finding the Fourth Proportional to 568,521.27, 852,770.19 and 189,469.53

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Solution

The fourth proportional to 568,521.27, 852,770.19 and 189,469.53 is: 284,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,521.27 : 852,770.19 = 189,469.53 : x
  2. Step 2: Convert to fraction form
    568,521.27/852,770.19 = 189,469.53/x
  3. Step 3: Cross multiply
    568,521.27x = 852,770.19 × 189,469.53
  4. Step 4: Simplify right side
    568,521.27x = 161,573,967,097.31
  5. Step 5: Solve for x
    x = 161,573,967,097.31/568,521.27
  6. Step 6: Final answer
    x = 284,200.39

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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.