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Finding the Fourth Proportional to 558,274.32, 770,403.96 and 325,745.73

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Solution

The fourth proportional to 558,274.32, 770,403.96 and 325,745.73 is: 449,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,274.32 : 770,403.96 = 325,745.73 : x
  2. Step 2: Convert to fraction form
    558,274.32/770,403.96 = 325,745.73/x
  3. Step 3: Cross multiply
    558,274.32x = 770,403.96 × 325,745.73
  4. Step 4: Simplify right side
    558,274.32x = 250,955,800,345.09
  5. Step 5: Solve for x
    x = 250,955,800,345.09/558,274.32
  6. Step 6: Final answer
    x = 449,520.59

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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.