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Finding the Fourth Proportional to 367.14, 552.66 and 316.90

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Solution

The fourth proportional to 367.14, 552.66 and 316.90 is: 477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.14 : 552.66 = 316.90 : x
  2. Step 2: Convert to fraction form
    367.14/552.66 = 316.90/x
  3. Step 3: Cross multiply
    367.14x = 552.66 × 316.90
  4. Step 4: Simplify right side
    367.14x = 175,137.95
  5. Step 5: Solve for x
    x = 175,137.95/367.14
  6. Step 6: Final answer
    x = 477.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.