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Finding the Fourth Proportional to 297.21, 410.12 and 185.16

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Solution

The fourth proportional to 297.21, 410.12 and 185.16 is: 255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.21 : 410.12 = 185.16 : x
  2. Step 2: Convert to fraction form
    297.21/410.12 = 185.16/x
  3. Step 3: Cross multiply
    297.21x = 410.12 × 185.16
  4. Step 4: Simplify right side
    297.21x = 75,937.92
  5. Step 5: Solve for x
    x = 75,937.92/297.21
  6. Step 6: Final answer
    x = 255.51

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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.