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Finding the Fourth Proportional to 362.68, 541.25 and 316.36

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Solution

The fourth proportional to 362.68, 541.25 and 316.36 is: 472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.68 : 541.25 = 316.36 : x
  2. Step 2: Convert to fraction form
    362.68/541.25 = 316.36/x
  3. Step 3: Cross multiply
    362.68x = 541.25 × 316.36
  4. Step 4: Simplify right side
    362.68x = 171,229.85
  5. Step 5: Solve for x
    x = 171,229.85/362.68
  6. Step 6: Final answer
    x = 472.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.