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Finding the Fourth Proportional to 332.03, 458.17 and 199.23

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Solution

The fourth proportional to 332.03, 458.17 and 199.23 is: 274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.03 : 458.17 = 199.23 : x
  2. Step 2: Convert to fraction form
    332.03/458.17 = 199.23/x
  3. Step 3: Cross multiply
    332.03x = 458.17 × 199.23
  4. Step 4: Simplify right side
    332.03x = 91,278.99
  5. Step 5: Solve for x
    x = 91,278.99/332.03
  6. Step 6: Final answer
    x = 274.91

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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.