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Finding the Fourth Proportional to 328,896.38, 453,877.01 and 177,993.38

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Solution

The fourth proportional to 328,896.38, 453,877.01 and 177,993.38 is: 245,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,896.38 : 453,877.01 = 177,993.38 : x
  2. Step 2: Convert to fraction form
    328,896.38/453,877.01 = 177,993.38/x
  3. Step 3: Cross multiply
    328,896.38x = 453,877.01 × 177,993.38
  4. Step 4: Simplify right side
    328,896.38x = 80,787,099,954.84
  5. Step 5: Solve for x
    x = 80,787,099,954.84/328,896.38
  6. Step 6: Final answer
    x = 245,630.86

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1.5x scale

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.