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Finding the Fourth Proportional to 483.11, 666.69 and 262.06

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Solution

The fourth proportional to 483.11, 666.69 and 262.06 is: 361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.11 : 666.69 = 262.06 : x
  2. Step 2: Convert to fraction form
    483.11/666.69 = 262.06/x
  3. Step 3: Cross multiply
    483.11x = 666.69 × 262.06
  4. Step 4: Simplify right side
    483.11x = 174,708.14
  5. Step 5: Solve for x
    x = 174,708.14/483.11
  6. Step 6: Final answer
    x = 361.64

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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.