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Finding the Fourth Proportional to 253.94, 350.57 and 165.50

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Solution

The fourth proportional to 253.94, 350.57 and 165.50 is: 228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.94 : 350.57 = 165.50 : x
  2. Step 2: Convert to fraction form
    253.94/350.57 = 165.50/x
  3. Step 3: Cross multiply
    253.94x = 350.57 × 165.50
  4. Step 4: Simplify right side
    253.94x = 58,019.34
  5. Step 5: Solve for x
    x = 58,019.34/253.94
  6. Step 6: Final answer
    x = 228.48

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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.