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Finding the Fourth Proportional to 331.44, 457.32 and 184.05

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Solution

The fourth proportional to 331.44, 457.32 and 184.05 is: 253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.44 : 457.32 = 184.05 : x
  2. Step 2: Convert to fraction form
    331.44/457.32 = 184.05/x
  3. Step 3: Cross multiply
    331.44x = 457.32 × 184.05
  4. Step 4: Simplify right side
    331.44x = 84,168.72
  5. Step 5: Solve for x
    x = 84,168.72/331.44
  6. Step 6: Final answer
    x = 253.95

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Why These Related Problems?

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