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Finding the Fourth Proportional to 350.31, 483.42 and 192.95

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Solution

The fourth proportional to 350.31, 483.42 and 192.95 is: 266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.31 : 483.42 = 192.95 : x
  2. Step 2: Convert to fraction form
    350.31/483.42 = 192.95/x
  3. Step 3: Cross multiply
    350.31x = 483.42 × 192.95
  4. Step 4: Simplify right side
    350.31x = 93,274.92
  5. Step 5: Solve for x
    x = 93,274.92/350.31
  6. Step 6: Final answer
    x = 266.27

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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.