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Finding the Fourth Proportional to 491,546.98, 737,361.42 and 131,769.10

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Solution

The fourth proportional to 491,546.98, 737,361.42 and 131,769.10 is: 197,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,546.98 : 737,361.42 = 131,769.10 : x
  2. Step 2: Convert to fraction form
    491,546.98/737,361.42 = 131,769.10/x
  3. Step 3: Cross multiply
    491,546.98x = 737,361.42 × 131,769.10
  4. Step 4: Simplify right side
    491,546.98x = 97,161,450,688.12
  5. Step 5: Solve for x
    x = 97,161,450,688.12/491,546.98
  6. Step 6: Final answer
    x = 197,664.63

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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.