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Finding the Fourth Proportional to 329,793.80, 445,571.55 and 329,793.80

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Solution

The fourth proportional to 329,793.80, 445,571.55 and 329,793.80 is: 445,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,793.80 : 445,571.55 = 329,793.80 : x
  2. Step 2: Convert to fraction form
    329,793.80/445,571.55 = 329,793.80/x
  3. Step 3: Cross multiply
    329,793.80x = 445,571.55 × 329,793.80
  4. Step 4: Simplify right side
    329,793.80x = 146,946,734,646.39
  5. Step 5: Solve for x
    x = 146,946,734,646.39/329,793.80
  6. Step 6: Final answer
    x = 445,571.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.