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Finding the Fourth Proportional to 378,774.96, 568,379.52 and 154,093.92

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Solution

The fourth proportional to 378,774.96, 568,379.52 and 154,093.92 is: 231,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,774.96 : 568,379.52 = 154,093.92 : x
  2. Step 2: Convert to fraction form
    378,774.96/568,379.52 = 154,093.92/x
  3. Step 3: Cross multiply
    378,774.96x = 568,379.52 × 154,093.92
  4. Step 4: Simplify right side
    378,774.96x = 87,583,828,284.52
  5. Step 5: Solve for x
    x = 87,583,828,284.52/378,774.96
  6. Step 6: Final answer
    x = 231,229.19

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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.