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Finding the Fourth Proportional to 627,832.73, 941,728.26 and 272,847.10

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Solution

The fourth proportional to 627,832.73, 941,728.26 and 272,847.10 is: 409,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,832.73 : 941,728.26 = 272,847.10 : x
  2. Step 2: Convert to fraction form
    627,832.73/941,728.26 = 272,847.10/x
  3. Step 3: Cross multiply
    627,832.73x = 941,728.26 × 272,847.10
  4. Step 4: Simplify right side
    627,832.73x = 256,947,824,729.05
  5. Step 5: Solve for x
    x = 256,947,824,729.05/627,832.73
  6. Step 6: Final answer
    x = 409,261.60

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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.