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Finding the Fourth Proportional to 262.32, 361.53 and 192.28

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Solution

The fourth proportional to 262.32, 361.53 and 192.28 is: 264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.32 : 361.53 = 192.28 : x
  2. Step 2: Convert to fraction form
    262.32/361.53 = 192.28/x
  3. Step 3: Cross multiply
    262.32x = 361.53 × 192.28
  4. Step 4: Simplify right side
    262.32x = 69,513.18
  5. Step 5: Solve for x
    x = 69,513.18/262.32
  6. Step 6: Final answer
    x = 264.99

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Why These Related Problems?

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