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Finding the Fourth Proportional to 325,639.44, 487,617.94 and 224,748.90

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Solution

The fourth proportional to 325,639.44, 487,617.94 and 224,748.90 is: 336,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,639.44 : 487,617.94 = 224,748.90 : x
  2. Step 2: Convert to fraction form
    325,639.44/487,617.94 = 224,748.90/x
  3. Step 3: Cross multiply
    325,639.44x = 487,617.94 × 224,748.90
  4. Step 4: Simplify right side
    325,639.44x = 109,591,595,635.27
  5. Step 5: Solve for x
    x = 109,591,595,635.27/325,639.44
  6. Step 6: Final answer
    x = 336,542.76

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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.