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Finding the Fourth Proportional to 484,336.60, 726,245.70 and 203,536.60

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Solution

The fourth proportional to 484,336.60, 726,245.70 and 203,536.60 is: 305,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,336.60 : 726,245.70 = 203,536.60 : x
  2. Step 2: Convert to fraction form
    484,336.60/726,245.70 = 203,536.60/x
  3. Step 3: Cross multiply
    484,336.60x = 726,245.70 × 203,536.60
  4. Step 4: Simplify right side
    484,336.60x = 147,817,580,542.62
  5. Step 5: Solve for x
    x = 147,817,580,542.62/484,336.60
  6. Step 6: Final answer
    x = 305,195.97

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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.