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Finding the Fourth Proportional to 1,474.44, 2,211.93 and 608.73

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Solution

The fourth proportional to 1,474.44, 2,211.93 and 608.73 is: 913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.44 : 2,211.93 = 608.73 : x
  2. Step 2: Convert to fraction form
    1,474.44/2,211.93 = 608.73/x
  3. Step 3: Cross multiply
    1,474.44x = 2,211.93 × 608.73
  4. Step 4: Simplify right side
    1,474.44x = 1,346,468.15
  5. Step 5: Solve for x
    x = 1,346,468.15/1,474.44
  6. Step 6: Final answer
    x = 913.21

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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.