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Finding the Fourth Proportional to 294.81, 442.08 and 173.04

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Solution

The fourth proportional to 294.81, 442.08 and 173.04 is: 259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.81 : 442.08 = 173.04 : x
  2. Step 2: Convert to fraction form
    294.81/442.08 = 173.04/x
  3. Step 3: Cross multiply
    294.81x = 442.08 × 173.04
  4. Step 4: Simplify right side
    294.81x = 76,497.52
  5. Step 5: Solve for x
    x = 76,497.52/294.81
  6. Step 6: Final answer
    x = 259.48

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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.