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Finding the Fourth Proportional to 422,285.37, 582,752.94 and 228,692.48

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Solution

The fourth proportional to 422,285.37, 582,752.94 and 228,692.48 is: 315,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,285.37 : 582,752.94 = 228,692.48 : x
  2. Step 2: Convert to fraction form
    422,285.37/582,752.94 = 228,692.48/x
  3. Step 3: Cross multiply
    422,285.37x = 582,752.94 × 228,692.48
  4. Step 4: Simplify right side
    422,285.37x = 133,271,211,304.53
  5. Step 5: Solve for x
    x = 133,271,211,304.53/422,285.37
  6. Step 6: Final answer
    x = 315,595.14

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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.