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Finding the Fourth Proportional to 248,284.84, 371,709.12 and 222,645.90

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Solution

The fourth proportional to 248,284.84, 371,709.12 and 222,645.90 is: 333,324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,284.84 : 371,709.12 = 222,645.90 : x
  2. Step 2: Convert to fraction form
    248,284.84/371,709.12 = 222,645.90/x
  3. Step 3: Cross multiply
    248,284.84x = 371,709.12 × 222,645.90
  4. Step 4: Simplify right side
    248,284.84x = 82,759,511,560.61
  5. Step 5: Solve for x
    x = 82,759,511,560.61/248,284.84
  6. Step 6: Final answer
    x = 333,324.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.