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Finding the Fourth Proportional to 332.09, 458.36 and 192.23

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Solution

The fourth proportional to 332.09, 458.36 and 192.23 is: 265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.09 : 458.36 = 192.23 : x
  2. Step 2: Convert to fraction form
    332.09/458.36 = 192.23/x
  3. Step 3: Cross multiply
    332.09x = 458.36 × 192.23
  4. Step 4: Simplify right side
    332.09x = 88,107.29
  5. Step 5: Solve for x
    x = 88,107.29/332.09
  6. Step 6: Final answer
    x = 265.32

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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.