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Finding the Fourth Proportional to 591,086.26, 886,753.92 and 191,695.89

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Solution

The fourth proportional to 591,086.26, 886,753.92 and 191,695.89 is: 287,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,086.26 : 886,753.92 = 191,695.89 : x
  2. Step 2: Convert to fraction form
    591,086.26/886,753.92 = 191,695.89/x
  3. Step 3: Cross multiply
    591,086.26x = 886,753.92 × 191,695.89
  4. Step 4: Simplify right side
    591,086.26x = 169,987,076,513.14
  5. Step 5: Solve for x
    x = 169,987,076,513.14/591,086.26
  6. Step 6: Final answer
    x = 287,584.21

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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.