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Finding the Fourth Proportional to 238.46, 357.67 and 62.74

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Solution

The fourth proportional to 238.46, 357.67 and 62.74 is: 94.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.46 : 357.67 = 62.74 : x
  2. Step 2: Convert to fraction form
    238.46/357.67 = 62.74/x
  3. Step 3: Cross multiply
    238.46x = 357.67 × 62.74
  4. Step 4: Simplify right side
    238.46x = 22,440.39
  5. Step 5: Solve for x
    x = 22,440.39/238.46
  6. Step 6: Final answer
    x = 94.11

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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.