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Finding the Fourth Proportional to 418,244.22, 627,013.62 and 181,408.50

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Solution

The fourth proportional to 418,244.22, 627,013.62 and 181,408.50 is: 271,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,244.22 : 627,013.62 = 181,408.50 : x
  2. Step 2: Convert to fraction form
    418,244.22/627,013.62 = 181,408.50/x
  3. Step 3: Cross multiply
    418,244.22x = 627,013.62 × 181,408.50
  4. Step 4: Simplify right side
    418,244.22x = 113,745,600,283.77
  5. Step 5: Solve for x
    x = 113,745,600,283.77/418,244.22
  6. Step 6: Final answer
    x = 271,959.77

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