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Finding the Fourth Proportional to 324,692.40, 447,785.43 and 203,844.96

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Solution

The fourth proportional to 324,692.40, 447,785.43 and 203,844.96 is: 281,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,692.40 : 447,785.43 = 203,844.96 : x
  2. Step 2: Convert to fraction form
    324,692.40/447,785.43 = 203,844.96/x
  3. Step 3: Cross multiply
    324,692.40x = 447,785.43 × 203,844.96
  4. Step 4: Simplify right side
    324,692.40x = 91,278,803,066.93
  5. Step 5: Solve for x
    x = 91,278,803,066.93/324,692.40
  6. Step 6: Final answer
    x = 281,123.93

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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.