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Finding the Fourth Proportional to 328,399.12, 453,191.56 and 177,496.12

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Solution

The fourth proportional to 328,399.12, 453,191.56 and 177,496.12 is: 244,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,399.12 : 453,191.56 = 177,496.12 : x
  2. Step 2: Convert to fraction form
    328,399.12/453,191.56 = 177,496.12/x
  3. Step 3: Cross multiply
    328,399.12x = 453,191.56 × 177,496.12
  4. Step 4: Simplify right side
    328,399.12x = 80,439,743,516.75
  5. Step 5: Solve for x
    x = 80,439,743,516.75/328,399.12
  6. Step 6: Final answer
    x = 244,945.06

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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.