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Finding the Fourth Proportional to 403.26, 556.50 and 237.48

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Solution

The fourth proportional to 403.26, 556.50 and 237.48 is: 327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.26 : 556.50 = 237.48 : x
  2. Step 2: Convert to fraction form
    403.26/556.50 = 237.48/x
  3. Step 3: Cross multiply
    403.26x = 556.50 × 237.48
  4. Step 4: Simplify right side
    403.26x = 132,157.62
  5. Step 5: Solve for x
    x = 132,157.62/403.26
  6. Step 6: Final answer
    x = 327.72

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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.