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Finding the Fourth Proportional to 330,414.12, 455,968.44 and 179,511.12

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Solution

The fourth proportional to 330,414.12, 455,968.44 and 179,511.12 is: 247,723.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,414.12 : 455,968.44 = 179,511.12 : x
  2. Step 2: Convert to fraction form
    330,414.12/455,968.44 = 179,511.12/x
  3. Step 3: Cross multiply
    330,414.12x = 455,968.44 × 179,511.12
  4. Step 4: Simplify right side
    330,414.12x = 81,851,405,349.05
  5. Step 5: Solve for x
    x = 81,851,405,349.05/330,414.12
  6. Step 6: Final answer
    x = 247,723.69

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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.