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Finding the Fourth Proportional to 299,376.38, 449,047.56 and 181,015.94

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Solution

The fourth proportional to 299,376.38, 449,047.56 and 181,015.94 is: 271,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,376.38 : 449,047.56 = 181,015.94 : x
  2. Step 2: Convert to fraction form
    299,376.38/449,047.56 = 181,015.94/x
  3. Step 3: Cross multiply
    299,376.38x = 449,047.56 × 181,015.94
  4. Step 4: Simplify right side
    299,376.38x = 81,284,766,178.11
  5. Step 5: Solve for x
    x = 81,284,766,178.11/299,376.38
  6. Step 6: Final answer
    x = 271,513.63

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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.