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Finding the Fourth Proportional to 252.98, 379.80 and 184.94

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Solution

The fourth proportional to 252.98, 379.80 and 184.94 is: 277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.98 : 379.80 = 184.94 : x
  2. Step 2: Convert to fraction form
    252.98/379.80 = 184.94/x
  3. Step 3: Cross multiply
    252.98x = 379.80 × 184.94
  4. Step 4: Simplify right side
    252.98x = 70,240.21
  5. Step 5: Solve for x
    x = 70,240.21/252.98
  6. Step 6: Final answer
    x = 277.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.