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Finding the Fourth Proportional to 331.84, 457.95 and 184.49

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Solution

The fourth proportional to 331.84, 457.95 and 184.49 is: 254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.84 : 457.95 = 184.49 : x
  2. Step 2: Convert to fraction form
    331.84/457.95 = 184.49/x
  3. Step 3: Cross multiply
    331.84x = 457.95 × 184.49
  4. Step 4: Simplify right side
    331.84x = 84,483.98
  5. Step 5: Solve for x
    x = 84,483.98/331.84
  6. Step 6: Final answer
    x = 254.60

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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.