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Finding the Fourth Proportional to 292.60, 403.50 and 227.08

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Solution

The fourth proportional to 292.60, 403.50 and 227.08 is: 313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.60 : 403.50 = 227.08 : x
  2. Step 2: Convert to fraction form
    292.60/403.50 = 227.08/x
  3. Step 3: Cross multiply
    292.60x = 403.50 × 227.08
  4. Step 4: Simplify right side
    292.60x = 91,626.78
  5. Step 5: Solve for x
    x = 91,626.78/292.60
  6. Step 6: Final answer
    x = 313.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.