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Finding the Fourth Proportional to 277.02, 382.32 and 160.62

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Solution

The fourth proportional to 277.02, 382.32 and 160.62 is: 221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.02 : 382.32 = 160.62 : x
  2. Step 2: Convert to fraction form
    277.02/382.32 = 160.62/x
  3. Step 3: Cross multiply
    277.02x = 382.32 × 160.62
  4. Step 4: Simplify right side
    277.02x = 61,408.24
  5. Step 5: Solve for x
    x = 61,408.24/277.02
  6. Step 6: Final answer
    x = 221.67

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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.