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Finding the Fourth Proportional to 294.02, 405.74 and 163.04

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Solution

The fourth proportional to 294.02, 405.74 and 163.04 is: 224.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.02 : 405.74 = 163.04 : x
  2. Step 2: Convert to fraction form
    294.02/405.74 = 163.04/x
  3. Step 3: Cross multiply
    294.02x = 405.74 × 163.04
  4. Step 4: Simplify right side
    294.02x = 66,151.85
  5. Step 5: Solve for x
    x = 66,151.85/294.02
  6. Step 6: Final answer
    x = 224.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.