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Finding the Fourth Proportional to 371.27, 556.60 and 176.17

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Solution

The fourth proportional to 371.27, 556.60 and 176.17 is: 264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.27 : 556.60 = 176.17 : x
  2. Step 2: Convert to fraction form
    371.27/556.60 = 176.17/x
  3. Step 3: Cross multiply
    371.27x = 556.60 × 176.17
  4. Step 4: Simplify right side
    371.27x = 98,055.05
  5. Step 5: Solve for x
    x = 98,055.05/371.27
  6. Step 6: Final answer
    x = 264.11

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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.