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Finding the Fourth Proportional to 422,310.34, 633,388.96 and 169,580.62

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Solution

The fourth proportional to 422,310.34, 633,388.96 and 169,580.62 is: 254,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,310.34 : 633,388.96 = 169,580.62 : x
  2. Step 2: Convert to fraction form
    422,310.34/633,388.96 = 169,580.62/x
  3. Step 3: Cross multiply
    422,310.34x = 633,388.96 × 169,580.62
  4. Step 4: Simplify right side
    422,310.34x = 107,410,492,537.96
  5. Step 5: Solve for x
    x = 107,410,492,537.96/422,310.34
  6. Step 6: Final answer
    x = 254,340.19

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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.