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Finding the Fourth Proportional to 462,069.20, 693,103.80 and 263,003.60

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Solution

The fourth proportional to 462,069.20, 693,103.80 and 263,003.60 is: 394,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,069.20 : 693,103.80 = 263,003.60 : x
  2. Step 2: Convert to fraction form
    462,069.20/693,103.80 = 263,003.60/x
  3. Step 3: Cross multiply
    462,069.20x = 693,103.80 × 263,003.60
  4. Step 4: Simplify right side
    462,069.20x = 182,288,794,573.68
  5. Step 5: Solve for x
    x = 182,288,794,573.68/462,069.20
  6. Step 6: Final answer
    x = 394,505.40

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Similar ratio
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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.