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Finding the Fourth Proportional to 627,653.44, 941,471.92 and 154,342.88

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Solution

The fourth proportional to 627,653.44, 941,471.92 and 154,342.88 is: 231,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,653.44 : 941,471.92 = 154,342.88 : x
  2. Step 2: Convert to fraction form
    627,653.44/941,471.92 = 154,342.88/x
  3. Step 3: Cross multiply
    627,653.44x = 941,471.92 × 154,342.88
  4. Step 4: Simplify right side
    627,653.44x = 145,309,487,571.93
  5. Step 5: Solve for x
    x = 145,309,487,571.93/627,653.44
  6. Step 6: Final answer
    x = 231,512.29

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1.5x scale

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.