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Finding the Fourth Proportional to 295.60, 442.76 and 173.56

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Solution

The fourth proportional to 295.60, 442.76 and 173.56 is: 259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.60 : 442.76 = 173.56 : x
  2. Step 2: Convert to fraction form
    295.60/442.76 = 173.56/x
  3. Step 3: Cross multiply
    295.60x = 442.76 × 173.56
  4. Step 4: Simplify right side
    295.60x = 76,845.43
  5. Step 5: Solve for x
    x = 76,845.43/295.60
  6. Step 6: Final answer
    x = 259.96

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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.