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Finding the Fourth Proportional to 544,245.90, 816,370.65 and 165,169.86

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Solution

The fourth proportional to 544,245.90, 816,370.65 and 165,169.86 is: 247,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,245.90 : 816,370.65 = 165,169.86 : x
  2. Step 2: Convert to fraction form
    544,245.90/816,370.65 = 165,169.86/x
  3. Step 3: Cross multiply
    544,245.90x = 816,370.65 × 165,169.86
  4. Step 4: Simplify right side
    544,245.90x = 134,839,825,968.61
  5. Step 5: Solve for x
    x = 134,839,825,968.61/544,245.90
  6. Step 6: Final answer
    x = 247,755.34

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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.