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Finding the Fourth Proportional to 338,745.52, 467,487.48 and 187,839.28

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Solution

The fourth proportional to 338,745.52, 467,487.48 and 187,839.28 is: 259,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,745.52 : 467,487.48 = 187,839.28 : x
  2. Step 2: Convert to fraction form
    338,745.52/467,487.48 = 187,839.28/x
  3. Step 3: Cross multiply
    338,745.52x = 467,487.48 × 187,839.28
  4. Step 4: Simplify right side
    338,745.52x = 87,812,511,652.21
  5. Step 5: Solve for x
    x = 87,812,511,652.21/338,745.52
  6. Step 6: Final answer
    x = 259,228.55

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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.