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Finding the Fourth Proportional to 367,758.80, 551,346.60 and 201,546.80

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Solution

The fourth proportional to 367,758.80, 551,346.60 and 201,546.80 is: 302,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,758.80 : 551,346.60 = 201,546.80 : x
  2. Step 2: Convert to fraction form
    367,758.80/551,346.60 = 201,546.80/x
  3. Step 3: Cross multiply
    367,758.80x = 551,346.60 × 201,546.80
  4. Step 4: Simplify right side
    367,758.80x = 111,122,142,920.88
  5. Step 5: Solve for x
    x = 111,122,142,920.88/367,758.80
  6. Step 6: Final answer
    x = 302,160.39

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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.