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Finding the Fourth Proportional to 332.97, 459.43 and 191.22

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Solution

The fourth proportional to 332.97, 459.43 and 191.22 is: 263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.97 : 459.43 = 191.22 : x
  2. Step 2: Convert to fraction form
    332.97/459.43 = 191.22/x
  3. Step 3: Cross multiply
    332.97x = 459.43 × 191.22
  4. Step 4: Simplify right side
    332.97x = 87,852.20
  5. Step 5: Solve for x
    x = 87,852.20/332.97
  6. Step 6: Final answer
    x = 263.84

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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.