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Finding the Fourth Proportional to 908.44, 1,363.24 and 360.52

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Solution

The fourth proportional to 908.44, 1,363.24 and 360.52 is: 541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.44 : 1,363.24 = 360.52 : x
  2. Step 2: Convert to fraction form
    908.44/1,363.24 = 360.52/x
  3. Step 3: Cross multiply
    908.44x = 1,363.24 × 360.52
  4. Step 4: Simplify right side
    908.44x = 491,475.28
  5. Step 5: Solve for x
    x = 491,475.28/908.44
  6. Step 6: Final answer
    x = 541.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.