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Finding the Fourth Proportional to 951.62, 1,427.54 and 366.48

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Solution

The fourth proportional to 951.62, 1,427.54 and 366.48 is: 549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.62 : 1,427.54 = 366.48 : x
  2. Step 2: Convert to fraction form
    951.62/1,427.54 = 366.48/x
  3. Step 3: Cross multiply
    951.62x = 1,427.54 × 366.48
  4. Step 4: Simplify right side
    951.62x = 523,163.03
  5. Step 5: Solve for x
    x = 523,163.03/951.62
  6. Step 6: Final answer
    x = 549.76

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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.