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Finding the Fourth Proportional to 325,636.44, 487,613.44 and 224,745.90

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Solution

The fourth proportional to 325,636.44, 487,613.44 and 224,745.90 is: 336,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,636.44 : 487,613.44 = 224,745.90 : x
  2. Step 2: Convert to fraction form
    325,636.44/487,613.44 = 224,745.90/x
  3. Step 3: Cross multiply
    325,636.44x = 487,613.44 × 224,745.90
  4. Step 4: Simplify right side
    325,636.44x = 109,589,121,424.90
  5. Step 5: Solve for x
    x = 109,589,121,424.90/325,636.44
  6. Step 6: Final answer
    x = 336,538.26

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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.