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Finding the Fourth Proportional to 325,236.46, 487,745.25 and 109,051.42

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Solution

The fourth proportional to 325,236.46, 487,745.25 and 109,051.42 is: 163,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,236.46 : 487,745.25 = 109,051.42 : x
  2. Step 2: Convert to fraction form
    325,236.46/487,745.25 = 109,051.42/x
  3. Step 3: Cross multiply
    325,236.46x = 487,745.25 × 109,051.42
  4. Step 4: Simplify right side
    325,236.46x = 53,189,312,110.76
  5. Step 5: Solve for x
    x = 53,189,312,110.76/325,236.46
  6. Step 6: Final answer
    x = 163,540.43

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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.