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Finding the Fourth Proportional to 331.73, 457.77 and 184.35

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Solution

The fourth proportional to 331.73, 457.77 and 184.35 is: 254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.73 : 457.77 = 184.35 : x
  2. Step 2: Convert to fraction form
    331.73/457.77 = 184.35/x
  3. Step 3: Cross multiply
    331.73x = 457.77 × 184.35
  4. Step 4: Simplify right side
    331.73x = 84,389.90
  5. Step 5: Solve for x
    x = 84,389.90/331.73
  6. Step 6: Final answer
    x = 254.40

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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.