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Finding the Fourth Proportional to 632.54, 948.87 and 262.27

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Solution

The fourth proportional to 632.54, 948.87 and 262.27 is: 393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.54 : 948.87 = 262.27 : x
  2. Step 2: Convert to fraction form
    632.54/948.87 = 262.27/x
  3. Step 3: Cross multiply
    632.54x = 948.87 × 262.27
  4. Step 4: Simplify right side
    632.54x = 248,854.08
  5. Step 5: Solve for x
    x = 248,854.08/632.54
  6. Step 6: Final answer
    x = 393.42

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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.