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Finding the Fourth Proportional to 328,192.75, 452,906 and 177,289.75

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Solution

The fourth proportional to 328,192.75, 452,906 and 177,289.75 is: 244,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,192.75 : 452,906 = 177,289.75 : x
  2. Step 2: Convert to fraction form
    328,192.75/452,906 = 177,289.75/x
  3. Step 3: Cross multiply
    328,192.75x = 452,906 × 177,289.75
  4. Step 4: Simplify right side
    328,192.75x = 80,295,591,513.50
  5. Step 5: Solve for x
    x = 80,295,591,513.50/328,192.75
  6. Step 6: Final answer
    x = 244,659.86

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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.