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Finding the Fourth Proportional to 324,692.55, 447,785.60 and 203,845.10

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Solution

The fourth proportional to 324,692.55, 447,785.60 and 203,845.10 is: 281,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,692.55 : 447,785.60 = 203,845.10 : x
  2. Step 2: Convert to fraction form
    324,692.55/447,785.60 = 203,845.10/x
  3. Step 3: Cross multiply
    324,692.55x = 447,785.60 × 203,845.10
  4. Step 4: Simplify right side
    324,692.55x = 91,278,897,152.41
  5. Step 5: Solve for x
    x = 91,278,897,152.41/324,692.55
  6. Step 6: Final answer
    x = 281,124.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.