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Finding the Fourth Proportional to 329,713.70, 494,570.55 and 327,745.40

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Solution

The fourth proportional to 329,713.70, 494,570.55 and 327,745.40 is: 491,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,713.70 : 494,570.55 = 327,745.40 : x
  2. Step 2: Convert to fraction form
    329,713.70/494,570.55 = 327,745.40/x
  3. Step 3: Cross multiply
    329,713.70x = 494,570.55 × 327,745.40
  4. Step 4: Simplify right side
    329,713.70x = 162,093,222,737.97
  5. Step 5: Solve for x
    x = 162,093,222,737.97/329,713.70
  6. Step 6: Final answer
    x = 491,618.10

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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.