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Finding the Fourth Proportional to 332,790.81, 459,198.23 and 189,553.65

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Solution

The fourth proportional to 332,790.81, 459,198.23 and 189,553.65 is: 261,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,790.81 : 459,198.23 = 189,553.65 : x
  2. Step 2: Convert to fraction form
    332,790.81/459,198.23 = 189,553.65/x
  3. Step 3: Cross multiply
    332,790.81x = 459,198.23 × 189,553.65
  4. Step 4: Simplify right side
    332,790.81x = 87,042,699,622.27
  5. Step 5: Solve for x
    x = 87,042,699,622.27/332,790.81
  6. Step 6: Final answer
    x = 261,553.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.