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Finding the Fourth Proportional to 951.98, 1,427.73 and 293.68

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Solution

The fourth proportional to 951.98, 1,427.73 and 293.68 is: 440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.98 : 1,427.73 = 293.68 : x
  2. Step 2: Convert to fraction form
    951.98/1,427.73 = 293.68/x
  3. Step 3: Cross multiply
    951.98x = 1,427.73 × 293.68
  4. Step 4: Simplify right side
    951.98x = 419,295.75
  5. Step 5: Solve for x
    x = 419,295.75/951.98
  6. Step 6: Final answer
    x = 440.45

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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.