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Finding the Fourth Proportional to 362.96, 501.06 and 274.48

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Solution

The fourth proportional to 362.96, 501.06 and 274.48 is: 378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.96 : 501.06 = 274.48 : x
  2. Step 2: Convert to fraction form
    362.96/501.06 = 274.48/x
  3. Step 3: Cross multiply
    362.96x = 501.06 × 274.48
  4. Step 4: Simplify right side
    362.96x = 137,530.95
  5. Step 5: Solve for x
    x = 137,530.95/362.96
  6. Step 6: Final answer
    x = 378.91

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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.