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Finding the Fourth Proportional to 295.10, 442.73 and 262.82

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Solution

The fourth proportional to 295.10, 442.73 and 262.82 is: 394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.10 : 442.73 = 262.82 : x
  2. Step 2: Convert to fraction form
    295.10/442.73 = 262.82/x
  3. Step 3: Cross multiply
    295.10x = 442.73 × 262.82
  4. Step 4: Simplify right side
    295.10x = 116,359.94
  5. Step 5: Solve for x
    x = 116,359.94/295.10
  6. Step 6: Final answer
    x = 394.30

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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.