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Finding the Fourth Proportional to 413,791.62, 571,293.86 and 270,793.41

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Solution

The fourth proportional to 413,791.62, 571,293.86 and 270,793.41 is: 373,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,791.62 : 571,293.86 = 270,793.41 : x
  2. Step 2: Convert to fraction form
    413,791.62/571,293.86 = 270,793.41/x
  3. Step 3: Cross multiply
    413,791.62x = 571,293.86 × 270,793.41
  4. Step 4: Simplify right side
    413,791.62x = 154,702,611,107.50
  5. Step 5: Solve for x
    x = 154,702,611,107.50/413,791.62
  6. Step 6: Final answer
    x = 373,865.98

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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.