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Finding the Fourth Proportional to 300,890.66, 451,898.10 and 264,879.86

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Solution

The fourth proportional to 300,890.66, 451,898.10 and 264,879.86 is: 397,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,890.66 : 451,898.10 = 264,879.86 : x
  2. Step 2: Convert to fraction form
    300,890.66/451,898.10 = 264,879.86/x
  3. Step 3: Cross multiply
    300,890.66x = 451,898.10 × 264,879.86
  4. Step 4: Simplify right side
    300,890.66x = 119,698,703,202.78
  5. Step 5: Solve for x
    x = 119,698,703,202.78/300,890.66
  6. Step 6: Final answer
    x = 397,814.63

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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.