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Finding the Fourth Proportional to 338,414.44, 467,012.64 and 187,511.44

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Solution

The fourth proportional to 338,414.44, 467,012.64 and 187,511.44 is: 258,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,414.44 : 467,012.64 = 187,511.44 : x
  2. Step 2: Convert to fraction form
    338,414.44/467,012.64 = 187,511.44/x
  3. Step 3: Cross multiply
    338,414.44x = 467,012.64 × 187,511.44
  4. Step 4: Simplify right side
    338,414.44x = 87,570,212,624.60
  5. Step 5: Solve for x
    x = 87,570,212,624.60/338,414.44
  6. Step 6: Final answer
    x = 258,766.18

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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.