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Finding the Fourth Proportional to 422,604.79, 632,855.61 and 295,650.74

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Solution

The fourth proportional to 422,604.79, 632,855.61 and 295,650.74 is: 442,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,604.79 : 632,855.61 = 295,650.74 : x
  2. Step 2: Convert to fraction form
    422,604.79/632,855.61 = 295,650.74/x
  3. Step 3: Cross multiply
    422,604.79x = 632,855.61 × 295,650.74
  4. Step 4: Simplify right side
    422,604.79x = 187,104,230,991.79
  5. Step 5: Solve for x
    x = 187,104,230,991.79/422,604.79
  6. Step 6: Final answer
    x = 442,740.44

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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.