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Finding the Fourth Proportional to 561,651.80, 842,481.30 and 224,720.60

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Solution

The fourth proportional to 561,651.80, 842,481.30 and 224,720.60 is: 337,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,651.80 : 842,481.30 = 224,720.60 : x
  2. Step 2: Convert to fraction form
    561,651.80/842,481.30 = 224,720.60/x
  3. Step 3: Cross multiply
    561,651.80x = 842,481.30 × 224,720.60
  4. Step 4: Simplify right side
    561,651.80x = 189,322,903,224.78
  5. Step 5: Solve for x
    x = 189,322,903,224.78/561,651.80
  6. Step 6: Final answer
    x = 337,082.34

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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.