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Finding the Fourth Proportional to 263.99, 395.65 and 246.71

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Solution

The fourth proportional to 263.99, 395.65 and 246.71 is: 369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.99 : 395.65 = 246.71 : x
  2. Step 2: Convert to fraction form
    263.99/395.65 = 246.71/x
  3. Step 3: Cross multiply
    263.99x = 395.65 × 246.71
  4. Step 4: Simplify right side
    263.99x = 97,612.11
  5. Step 5: Solve for x
    x = 97,612.11/263.99
  6. Step 6: Final answer
    x = 369.75

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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.