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Finding the Fourth Proportional to 511,372.25, 767,169.11 and 195,829.18

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Solution

The fourth proportional to 511,372.25, 767,169.11 and 195,829.18 is: 293,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,372.25 : 767,169.11 = 195,829.18 : x
  2. Step 2: Convert to fraction form
    511,372.25/767,169.11 = 195,829.18/x
  3. Step 3: Cross multiply
    511,372.25x = 767,169.11 × 195,829.18
  4. Step 4: Simplify right side
    511,372.25x = 150,234,097,732.63
  5. Step 5: Solve for x
    x = 150,234,097,732.63/511,372.25
  6. Step 6: Final answer
    x = 293,786.18

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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.