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Finding the Fourth Proportional to 329,563.28, 454,469.84 and 248,086.60

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Solution

The fourth proportional to 329,563.28, 454,469.84 and 248,086.60 is: 342,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,563.28 : 454,469.84 = 248,086.60 : x
  2. Step 2: Convert to fraction form
    329,563.28/454,469.84 = 248,086.60/x
  3. Step 3: Cross multiply
    329,563.28x = 454,469.84 × 248,086.60
  4. Step 4: Simplify right side
    329,563.28x = 112,747,875,961.86
  5. Step 5: Solve for x
    x = 112,747,875,961.86/329,563.28
  6. Step 6: Final answer
    x = 342,112.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.