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Finding the Fourth Proportional to 451,441.92, 677,305.92 and 271,724.16

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Solution

The fourth proportional to 451,441.92, 677,305.92 and 271,724.16 is: 407,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,441.92 : 677,305.92 = 271,724.16 : x
  2. Step 2: Convert to fraction form
    451,441.92/677,305.92 = 271,724.16/x
  3. Step 3: Cross multiply
    451,441.92x = 677,305.92 × 271,724.16
  4. Step 4: Simplify right side
    451,441.92x = 184,040,382,175.03
  5. Step 5: Solve for x
    x = 184,040,382,175.03/451,441.92
  6. Step 6: Final answer
    x = 407,672.34

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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.