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Finding the Fourth Proportional to 341.36, 471.09 and 194.00

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Solution

The fourth proportional to 341.36, 471.09 and 194.00 is: 267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.36 : 471.09 = 194.00 : x
  2. Step 2: Convert to fraction form
    341.36/471.09 = 194.00/x
  3. Step 3: Cross multiply
    341.36x = 471.09 × 194.00
  4. Step 4: Simplify right side
    341.36x = 91,389.42
  5. Step 5: Solve for x
    x = 91,389.42/341.36
  6. Step 6: Final answer
    x = 267.72

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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.