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Finding the Fourth Proportional to 493,778.88, 681,415.80 and 267,424.44

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Solution

The fourth proportional to 493,778.88, 681,415.80 and 267,424.44 is: 369,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,778.88 : 681,415.80 = 267,424.44 : x
  2. Step 2: Convert to fraction form
    493,778.88/681,415.80 = 267,424.44/x
  3. Step 3: Cross multiply
    493,778.88x = 681,415.80 × 267,424.44
  4. Step 4: Simplify right side
    493,778.88x = 182,227,238,722.15
  5. Step 5: Solve for x
    x = 182,227,238,722.15/493,778.88
  6. Step 6: Final answer
    x = 369,046.24

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1.5x scale

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.