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Finding the Fourth Proportional to 332.49, 458.80 and 192.59

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Solution

The fourth proportional to 332.49, 458.80 and 192.59 is: 265.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.49 : 458.80 = 192.59 : x
  2. Step 2: Convert to fraction form
    332.49/458.80 = 192.59/x
  3. Step 3: Cross multiply
    332.49x = 458.80 × 192.59
  4. Step 4: Simplify right side
    332.49x = 88,360.29
  5. Step 5: Solve for x
    x = 88,360.29/332.49
  6. Step 6: Final answer
    x = 265.75

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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.