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Finding the Fourth Proportional to 268.26, 370.06 and 174.99

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Solution

The fourth proportional to 268.26, 370.06 and 174.99 is: 241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.26 : 370.06 = 174.99 : x
  2. Step 2: Convert to fraction form
    268.26/370.06 = 174.99/x
  3. Step 3: Cross multiply
    268.26x = 370.06 × 174.99
  4. Step 4: Simplify right side
    268.26x = 64,756.80
  5. Step 5: Solve for x
    x = 64,756.80/268.26
  6. Step 6: Final answer
    x = 241.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.