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Finding the Fourth Proportional to 333.16, 459.62 and 194.92

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Solution

The fourth proportional to 333.16, 459.62 and 194.92 is: 268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.16 : 459.62 = 194.92 : x
  2. Step 2: Convert to fraction form
    333.16/459.62 = 194.92/x
  3. Step 3: Cross multiply
    333.16x = 459.62 × 194.92
  4. Step 4: Simplify right side
    333.16x = 89,589.13
  5. Step 5: Solve for x
    x = 89,589.13/333.16
  6. Step 6: Final answer
    x = 268.91

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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.