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Finding the Fourth Proportional to 367,874.80, 551,520.60 and 201,662.80

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Solution

The fourth proportional to 367,874.80, 551,520.60 and 201,662.80 is: 302,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,874.80 : 551,520.60 = 201,662.80 : x
  2. Step 2: Convert to fraction form
    367,874.80/551,520.60 = 201,662.80/x
  3. Step 3: Cross multiply
    367,874.80x = 551,520.60 × 201,662.80
  4. Step 4: Simplify right side
    367,874.80x = 111,221,188,453.68
  5. Step 5: Solve for x
    x = 111,221,188,453.68/367,874.80
  6. Step 6: Final answer
    x = 302,334.35

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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.