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Finding the Fourth Proportional to 446,761.26, 670,190.90 and 193,867.92

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Solution

The fourth proportional to 446,761.26, 670,190.90 and 193,867.92 is: 290,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,761.26 : 670,190.90 = 193,867.92 : x
  2. Step 2: Convert to fraction form
    446,761.26/670,190.90 = 193,867.92/x
  3. Step 3: Cross multiply
    446,761.26x = 670,190.90 × 193,867.92
  4. Step 4: Simplify right side
    446,761.26x = 129,928,514,816.59
  5. Step 5: Solve for x
    x = 129,928,514,816.59/446,761.26
  6. Step 6: Final answer
    x = 290,823.15

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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.