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Finding the Fourth Proportional to 336.20, 503.94 and 227.60

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Solution

The fourth proportional to 336.20, 503.94 and 227.60 is: 341.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.20 : 503.94 = 227.60 : x
  2. Step 2: Convert to fraction form
    336.20/503.94 = 227.60/x
  3. Step 3: Cross multiply
    336.20x = 503.94 × 227.60
  4. Step 4: Simplify right side
    336.20x = 114,696.74
  5. Step 5: Solve for x
    x = 114,696.74/336.20
  6. Step 6: Final answer
    x = 341.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.