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Finding the Fourth Proportional to 333.86, 460.71 and 193.98

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Solution

The fourth proportional to 333.86, 460.71 and 193.98 is: 267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.86 : 460.71 = 193.98 : x
  2. Step 2: Convert to fraction form
    333.86/460.71 = 193.98/x
  3. Step 3: Cross multiply
    333.86x = 460.71 × 193.98
  4. Step 4: Simplify right side
    333.86x = 89,367.66
  5. Step 5: Solve for x
    x = 89,367.66/333.86
  6. Step 6: Final answer
    x = 267.68

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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.