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Finding the Fourth Proportional to 324,452.43, 486,692.06 and 111,366.72

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Solution

The fourth proportional to 324,452.43, 486,692.06 and 111,366.72 is: 167,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,452.43 : 486,692.06 = 111,366.72 : x
  2. Step 2: Convert to fraction form
    324,452.43/486,692.06 = 111,366.72/x
  3. Step 3: Cross multiply
    324,452.43x = 486,692.06 × 111,366.72
  4. Step 4: Simplify right side
    324,452.43x = 54,201,297,815.41
  5. Step 5: Solve for x
    x = 54,201,297,815.41/324,452.43
  6. Step 6: Final answer
    x = 167,054.68

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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.