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Finding the Fourth Proportional to 494,173.80, 681,959.52 and 267,819.30

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Solution

The fourth proportional to 494,173.80, 681,959.52 and 267,819.30 is: 369,590.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,173.80 : 681,959.52 = 267,819.30 : x
  2. Step 2: Convert to fraction form
    494,173.80/681,959.52 = 267,819.30/x
  3. Step 3: Cross multiply
    494,173.80x = 681,959.52 × 267,819.30
  4. Step 4: Simplify right side
    494,173.80x = 182,641,921,274.74
  5. Step 5: Solve for x
    x = 182,641,921,274.74/494,173.80
  6. Step 6: Final answer
    x = 369,590.46

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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.