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Finding the Fourth Proportional to 327,896.40, 491,844.60 and 314,072.40

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Solution

The fourth proportional to 327,896.40, 491,844.60 and 314,072.40 is: 471,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,896.40 : 491,844.60 = 314,072.40 : x
  2. Step 2: Convert to fraction form
    327,896.40/491,844.60 = 314,072.40/x
  3. Step 3: Cross multiply
    327,896.40x = 491,844.60 × 314,072.40
  4. Step 4: Simplify right side
    327,896.40x = 154,474,813,949.04
  5. Step 5: Solve for x
    x = 154,474,813,949.04/327,896.40
  6. Step 6: Final answer
    x = 471,108.60

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1.5x scale

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.