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Finding the Fourth Proportional to 262.54, 362.01 and 255.40

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Solution

The fourth proportional to 262.54, 362.01 and 255.40 is: 352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.54 : 362.01 = 255.40 : x
  2. Step 2: Convert to fraction form
    262.54/362.01 = 255.40/x
  3. Step 3: Cross multiply
    262.54x = 362.01 × 255.40
  4. Step 4: Simplify right side
    262.54x = 92,457.35
  5. Step 5: Solve for x
    x = 92,457.35/262.54
  6. Step 6: Final answer
    x = 352.16

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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.