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Finding the Fourth Proportional to 422,522.22, 633,777.32 and 102,676.44

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Solution

The fourth proportional to 422,522.22, 633,777.32 and 102,676.44 is: 154,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,522.22 : 633,777.32 = 102,676.44 : x
  2. Step 2: Convert to fraction form
    422,522.22/633,777.32 = 102,676.44/x
  3. Step 3: Cross multiply
    422,522.22x = 633,777.32 × 102,676.44
  4. Step 4: Simplify right side
    422,522.22x = 65,073,998,970.34
  5. Step 5: Solve for x
    x = 65,073,998,970.34/422,522.22
  6. Step 6: Final answer
    x = 154,013.20

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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.