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Finding the Fourth Proportional to 396,481.98, 547,153.29 and 224,399.93

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Solution

The fourth proportional to 396,481.98, 547,153.29 and 224,399.93 is: 309,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,481.98 : 547,153.29 = 224,399.93 : x
  2. Step 2: Convert to fraction form
    396,481.98/547,153.29 = 224,399.93/x
  3. Step 3: Cross multiply
    396,481.98x = 547,153.29 × 224,399.93
  4. Step 4: Simplify right side
    396,481.98x = 122,781,158,853.27
  5. Step 5: Solve for x
    x = 122,781,158,853.27/396,481.98
  6. Step 6: Final answer
    x = 309,676.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.