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Finding the Fourth Proportional to 262, 361.72 and 183.30

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Solution

The fourth proportional to 262, 361.72 and 183.30 is: 253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    262 : 361.72 = 183.30 : x
  2. Step 2: Convert to fraction form
    262/361.72 = 183.30/x
  3. Step 3: Cross multiply
    262x = 361.72 × 183.30
  4. Step 4: Simplify right side
    262x = 66,303.28
  5. Step 5: Solve for x
    x = 66,303.28/262
  6. Step 6: Final answer
    x = 253.07

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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.