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Finding the Fourth Proportional to 274,846.32, 411,439.56 and 248,563.44

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Solution

The fourth proportional to 274,846.32, 411,439.56 and 248,563.44 is: 372,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,846.32 : 411,439.56 = 248,563.44 : x
  2. Step 2: Convert to fraction form
    274,846.32/411,439.56 = 248,563.44/x
  3. Step 3: Cross multiply
    274,846.32x = 411,439.56 × 248,563.44
  4. Step 4: Simplify right side
    274,846.32x = 102,268,832,385.69
  5. Step 5: Solve for x
    x = 102,268,832,385.69/274,846.32
  6. Step 6: Final answer
    x = 372,094.60

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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.