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Finding the Fourth Proportional to 627,352.82, 940,500.21 and 272,099.27

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Solution

The fourth proportional to 627,352.82, 940,500.21 and 272,099.27 is: 407,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,352.82 : 940,500.21 = 272,099.27 : x
  2. Step 2: Convert to fraction form
    627,352.82/940,500.21 = 272,099.27/x
  3. Step 3: Cross multiply
    627,352.82x = 940,500.21 × 272,099.27
  4. Step 4: Simplify right side
    627,352.82x = 255,909,415,873.35
  5. Step 5: Solve for x
    x = 255,909,415,873.35/627,352.82
  6. Step 6: Final answer
    x = 407,919.45

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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.