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Finding the Fourth Proportional to 568,235.43, 852,491.99 and 189,155.43

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Solution

The fourth proportional to 568,235.43, 852,491.99 and 189,155.43 is: 283,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,235.43 : 852,491.99 = 189,155.43 : x
  2. Step 2: Convert to fraction form
    568,235.43/852,491.99 = 189,155.43/x
  3. Step 3: Cross multiply
    568,235.43x = 852,491.99 × 189,155.43
  4. Step 4: Simplify right side
    568,235.43x = 161,253,488,940.01
  5. Step 5: Solve for x
    x = 161,253,488,940.01/568,235.43
  6. Step 6: Final answer
    x = 283,779.36

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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.