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Finding the Fourth Proportional to 262.19, 361.60 and 232.70

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Solution

The fourth proportional to 262.19, 361.60 and 232.70 is: 320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.19 : 361.60 = 232.70 : x
  2. Step 2: Convert to fraction form
    262.19/361.60 = 232.70/x
  3. Step 3: Cross multiply
    262.19x = 361.60 × 232.70
  4. Step 4: Simplify right side
    262.19x = 84,144.32
  5. Step 5: Solve for x
    x = 84,144.32/262.19
  6. Step 6: Final answer
    x = 320.93

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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.