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Finding the Fourth Proportional to 341,449.21, 471,221.72 and 190,546.21

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Solution

The fourth proportional to 341,449.21, 471,221.72 and 190,546.21 is: 262,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,449.21 : 471,221.72 = 190,546.21 : x
  2. Step 2: Convert to fraction form
    341,449.21/471,221.72 = 190,546.21/x
  3. Step 3: Cross multiply
    341,449.21x = 471,221.72 × 190,546.21
  4. Step 4: Simplify right side
    341,449.21x = 89,789,511,862.95
  5. Step 5: Solve for x
    x = 89,789,511,862.95/341,449.21
  6. Step 6: Final answer
    x = 262,965.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.