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Finding the Fourth Proportional to 325,640.44, 487,619.44 and 224,749.90

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Solution

The fourth proportional to 325,640.44, 487,619.44 and 224,749.90 is: 336,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,640.44 : 487,619.44 = 224,749.90 : x
  2. Step 2: Convert to fraction form
    325,640.44/487,619.44 = 224,749.90/x
  3. Step 3: Cross multiply
    325,640.44x = 487,619.44 × 224,749.90
  4. Step 4: Simplify right side
    325,640.44x = 109,592,420,378.06
  5. Step 5: Solve for x
    x = 109,592,420,378.06/325,640.44
  6. Step 6: Final answer
    x = 336,544.26

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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.