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Finding the Fourth Proportional to 561,422.44, 842,137.30 and 224,491.40

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Solution

The fourth proportional to 561,422.44, 842,137.30 and 224,491.40 is: 336,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,422.44 : 842,137.30 = 224,491.40 : x
  2. Step 2: Convert to fraction form
    561,422.44/842,137.30 = 224,491.40/x
  3. Step 3: Cross multiply
    561,422.44x = 842,137.30 × 224,491.40
  4. Step 4: Simplify right side
    561,422.44x = 189,052,581,469.22
  5. Step 5: Solve for x
    x = 189,052,581,469.22/561,422.44
  6. Step 6: Final answer
    x = 336,738.56

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1.5x scale

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.