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Finding the Fourth Proportional to 324,700.80, 447,796.98 and 203,853.36

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Solution

The fourth proportional to 324,700.80, 447,796.98 and 203,853.36 is: 281,135.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,700.80 : 447,796.98 = 203,853.36 : x
  2. Step 2: Convert to fraction form
    324,700.80/447,796.98 = 203,853.36/x
  3. Step 3: Cross multiply
    324,700.80x = 447,796.98 × 203,853.36
  4. Step 4: Simplify right side
    324,700.80x = 91,284,918,970.85
  5. Step 5: Solve for x
    x = 91,284,918,970.85/324,700.80
  6. Step 6: Final answer
    x = 281,135.49

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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.