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Finding the Fourth Proportional to 294.30, 442.13 and 184.95

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Solution

The fourth proportional to 294.30, 442.13 and 184.95 is: 277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.30 : 442.13 = 184.95 : x
  2. Step 2: Convert to fraction form
    294.30/442.13 = 184.95/x
  3. Step 3: Cross multiply
    294.30x = 442.13 × 184.95
  4. Step 4: Simplify right side
    294.30x = 81,771.94
  5. Step 5: Solve for x
    x = 81,771.94/294.30
  6. Step 6: Final answer
    x = 277.85

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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.