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Finding the Fourth Proportional to 262.56, 393.52 and 232.08

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Solution

The fourth proportional to 262.56, 393.52 and 232.08 is: 347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.56 : 393.52 = 232.08 : x
  2. Step 2: Convert to fraction form
    262.56/393.52 = 232.08/x
  3. Step 3: Cross multiply
    262.56x = 393.52 × 232.08
  4. Step 4: Simplify right side
    262.56x = 91,328.12
  5. Step 5: Solve for x
    x = 91,328.12/262.56
  6. Step 6: Final answer
    x = 347.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.