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Finding the Fourth Proportional to 297.76, 410.91 and 181.32

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Solution

The fourth proportional to 297.76, 410.91 and 181.32 is: 250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.76 : 410.91 = 181.32 : x
  2. Step 2: Convert to fraction form
    297.76/410.91 = 181.32/x
  3. Step 3: Cross multiply
    297.76x = 410.91 × 181.32
  4. Step 4: Simplify right side
    297.76x = 74,506.20
  5. Step 5: Solve for x
    x = 74,506.20/297.76
  6. Step 6: Final answer
    x = 250.22

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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.