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Finding the Fourth Proportional to 632.84, 949.32 and 248

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Solution

The fourth proportional to 632.84, 949.32 and 248 is: 372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.84 : 949.32 = 248 : x
  2. Step 2: Convert to fraction form
    632.84/949.32 = 248/x
  3. Step 3: Cross multiply
    632.84x = 949.32 × 248
  4. Step 4: Simplify right side
    632.84x = 235,431.36
  5. Step 5: Solve for x
    x = 235,431.36/632.84
  6. Step 6: Final answer
    x = 372.02

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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.