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Finding the Fourth Proportional to 349.60, 482.44 and 194.35

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Solution

The fourth proportional to 349.60, 482.44 and 194.35 is: 268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.60 : 482.44 = 194.35 : x
  2. Step 2: Convert to fraction form
    349.60/482.44 = 194.35/x
  3. Step 3: Cross multiply
    349.60x = 482.44 × 194.35
  4. Step 4: Simplify right side
    349.60x = 93,760.29
  5. Step 5: Solve for x
    x = 93,760.29/349.60
  6. Step 6: Final answer
    x = 268.20

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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.