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Finding the Fourth Proportional to 632.60, 948.96 and 262.33

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Solution

The fourth proportional to 632.60, 948.96 and 262.33 is: 393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.60 : 948.96 = 262.33 : x
  2. Step 2: Convert to fraction form
    632.60/948.96 = 262.33/x
  3. Step 3: Cross multiply
    632.60x = 948.96 × 262.33
  4. Step 4: Simplify right side
    632.60x = 248,938.30
  5. Step 5: Solve for x
    x = 248,938.30/632.60
  6. Step 6: Final answer
    x = 393.52

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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.