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Finding the Fourth Proportional to 295.19, 442.44 and 165.25

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Solution

The fourth proportional to 295.19, 442.44 and 165.25 is: 247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.19 : 442.44 = 165.25 : x
  2. Step 2: Convert to fraction form
    295.19/442.44 = 165.25/x
  3. Step 3: Cross multiply
    295.19x = 442.44 × 165.25
  4. Step 4: Simplify right side
    295.19x = 73,113.21
  5. Step 5: Solve for x
    x = 73,113.21/295.19
  6. Step 6: Final answer
    x = 247.68

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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.