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Finding the Fourth Proportional to 627,363.82, 940,516.72 and 272,110.28

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Solution

The fourth proportional to 627,363.82, 940,516.72 and 272,110.28 is: 407,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,363.82 : 940,516.72 = 272,110.28 : x
  2. Step 2: Convert to fraction form
    627,363.82/940,516.72 = 272,110.28/x
  3. Step 3: Cross multiply
    627,363.82x = 940,516.72 × 272,110.28
  4. Step 4: Simplify right side
    627,363.82x = 255,924,268,023.88
  5. Step 5: Solve for x
    x = 255,924,268,023.88/627,363.82
  6. Step 6: Final answer
    x = 407,935.97

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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.