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Finding the Fourth Proportional to 568,498.33, 851,814.37 and 194,317.21

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Solution

The fourth proportional to 568,498.33, 851,814.37 and 194,317.21 is: 291,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,498.33 : 851,814.37 = 194,317.21 : x
  2. Step 2: Convert to fraction form
    568,498.33/851,814.37 = 194,317.21/x
  3. Step 3: Cross multiply
    568,498.33x = 851,814.37 × 194,317.21
  4. Step 4: Simplify right side
    568,498.33x = 165,522,191,816.31
  5. Step 5: Solve for x
    x = 165,522,191,816.31/568,498.33
  6. Step 6: Final answer
    x = 291,156.87

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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.