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Finding the Fourth Proportional to 422,594.92, 633,887.58 and 102,748.60

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Solution

The fourth proportional to 422,594.92, 633,887.58 and 102,748.60 is: 154,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,594.92 : 633,887.58 = 102,748.60 : x
  2. Step 2: Convert to fraction form
    422,594.92/633,887.58 = 102,748.60/x
  3. Step 3: Cross multiply
    422,594.92x = 633,887.58 × 102,748.60
  4. Step 4: Simplify right side
    422,594.92x = 65,131,061,402.39
  5. Step 5: Solve for x
    x = 65,131,061,402.39/422,594.92
  6. Step 6: Final answer
    x = 154,121.73

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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.