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Finding the Fourth Proportional to 325,586.67, 487,789.51 and 240,408.48

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Solution

The fourth proportional to 325,586.67, 487,789.51 and 240,408.48 is: 360,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,586.67 : 487,789.51 = 240,408.48 : x
  2. Step 2: Convert to fraction form
    325,586.67/487,789.51 = 240,408.48/x
  3. Step 3: Cross multiply
    325,586.67x = 487,789.51 × 240,408.48
  4. Step 4: Simplify right side
    325,586.67x = 117,268,734,659.05
  5. Step 5: Solve for x
    x = 117,268,734,659.05/325,586.67
  6. Step 6: Final answer
    x = 360,176.71

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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.