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Finding the Fourth Proportional to 451,431.60, 622,958.91 and 244,695.56

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Solution

The fourth proportional to 451,431.60, 622,958.91 and 244,695.56 is: 337,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,431.60 : 622,958.91 = 244,695.56 : x
  2. Step 2: Convert to fraction form
    451,431.60/622,958.91 = 244,695.56/x
  3. Step 3: Cross multiply
    451,431.60x = 622,958.91 × 244,695.56
  4. Step 4: Simplify right side
    451,431.60x = 152,435,278,779.62
  5. Step 5: Solve for x
    x = 152,435,278,779.62/451,431.60
  6. Step 6: Final answer
    x = 337,670.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.