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Finding the Fourth Proportional to 324,991.85, 447,553.15 and 267,878.34

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Solution

The fourth proportional to 324,991.85, 447,553.15 and 267,878.34 is: 368,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,991.85 : 447,553.15 = 267,878.34 : x
  2. Step 2: Convert to fraction form
    324,991.85/447,553.15 = 267,878.34/x
  3. Step 3: Cross multiply
    324,991.85x = 447,553.15 × 267,878.34
  4. Step 4: Simplify right side
    324,991.85x = 119,889,794,214.08
  5. Step 5: Solve for x
    x = 119,889,794,214.08/324,991.85
  6. Step 6: Final answer
    x = 368,900.93

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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.