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Finding the Fourth Proportional to 333.22, 459.85 and 193.36

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Solution

The fourth proportional to 333.22, 459.85 and 193.36 is: 266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.22 : 459.85 = 193.36 : x
  2. Step 2: Convert to fraction form
    333.22/459.85 = 193.36/x
  3. Step 3: Cross multiply
    333.22x = 459.85 × 193.36
  4. Step 4: Simplify right side
    333.22x = 88,916.60
  5. Step 5: Solve for x
    x = 88,916.60/333.22
  6. Step 6: Final answer
    x = 266.84

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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.