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Finding the Fourth Proportional to 268.94, 371.04 and 186.01

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Solution

The fourth proportional to 268.94, 371.04 and 186.01 is: 256.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.94 : 371.04 = 186.01 : x
  2. Step 2: Convert to fraction form
    268.94/371.04 = 186.01/x
  3. Step 3: Cross multiply
    268.94x = 371.04 × 186.01
  4. Step 4: Simplify right side
    268.94x = 69,015.53
  5. Step 5: Solve for x
    x = 69,015.53/268.94
  6. Step 6: Final answer
    x = 256.62

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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.