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Finding the Fourth Proportional to 568,115.44, 851,988.52 and 188,934.24

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Solution

The fourth proportional to 568,115.44, 851,988.52 and 188,934.24 is: 283,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,115.44 : 851,988.52 = 188,934.24 : x
  2. Step 2: Convert to fraction form
    568,115.44/851,988.52 = 188,934.24/x
  3. Step 3: Cross multiply
    568,115.44x = 851,988.52 × 188,934.24
  4. Step 4: Simplify right side
    568,115.44x = 160,969,803,514.93
  5. Step 5: Solve for x
    x = 160,969,803,514.93/568,115.44
  6. Step 6: Final answer
    x = 283,339.96

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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.