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Finding the Fourth Proportional to 324,681.56, 447,770.48 and 203,834.12

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Solution

The fourth proportional to 324,681.56, 447,770.48 and 203,834.12 is: 281,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,681.56 : 447,770.48 = 203,834.12 : x
  2. Step 2: Convert to fraction form
    324,681.56/447,770.48 = 203,834.12/x
  3. Step 3: Cross multiply
    324,681.56x = 447,770.48 × 203,834.12
  4. Step 4: Simplify right side
    324,681.56x = 91,270,902,160.03
  5. Step 5: Solve for x
    x = 91,270,902,160.03/324,681.56
  6. Step 6: Final answer
    x = 281,108.98

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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.