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Finding the Fourth Proportional to 341.14, 470.73 and 191.74

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Solution

The fourth proportional to 341.14, 470.73 and 191.74 is: 264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.14 : 470.73 = 191.74 : x
  2. Step 2: Convert to fraction form
    341.14/470.73 = 191.74/x
  3. Step 3: Cross multiply
    341.14x = 470.73 × 191.74
  4. Step 4: Simplify right side
    341.14x = 90,257.77
  5. Step 5: Solve for x
    x = 90,257.77/341.14
  6. Step 6: Final answer
    x = 264.58

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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.