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Finding the Fourth Proportional to 983.24, 1,474.93 and 252.82

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Solution

The fourth proportional to 983.24, 1,474.93 and 252.82 is: 379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    983.24 : 1,474.93 = 252.82 : x
  2. Step 2: Convert to fraction form
    983.24/1,474.93 = 252.82/x
  3. Step 3: Cross multiply
    983.24x = 1,474.93 × 252.82
  4. Step 4: Simplify right side
    983.24x = 372,894.67
  5. Step 5: Solve for x
    x = 372,894.67/983.24
  6. Step 6: Final answer
    x = 379.25

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