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Finding the Fourth Proportional to 252,364.39, 377,395.50 and 188,367.91

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Solution

The fourth proportional to 252,364.39, 377,395.50 and 188,367.91 is: 281,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,364.39 : 377,395.50 = 188,367.91 : x
  2. Step 2: Convert to fraction form
    252,364.39/377,395.50 = 188,367.91/x
  3. Step 3: Cross multiply
    252,364.39x = 377,395.50 × 188,367.91
  4. Step 4: Simplify right side
    252,364.39x = 71,089,201,578.41
  5. Step 5: Solve for x
    x = 71,089,201,578.41/252,364.39
  6. Step 6: Final answer
    x = 281,692.68

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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.