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Finding the Fourth Proportional to 341.52, 471.36 and 194.22

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Solution

The fourth proportional to 341.52, 471.36 and 194.22 is: 268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.52 : 471.36 = 194.22 : x
  2. Step 2: Convert to fraction form
    341.52/471.36 = 194.22/x
  3. Step 3: Cross multiply
    341.52x = 471.36 × 194.22
  4. Step 4: Simplify right side
    341.52x = 91,547.54
  5. Step 5: Solve for x
    x = 91,547.54/341.52
  6. Step 6: Final answer
    x = 268.06

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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.