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Finding the Fourth Proportional to 256.08, 382.92 and 246

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Solution

The fourth proportional to 256.08, 382.92 and 246 is: 367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256.08 : 382.92 = 246 : x
  2. Step 2: Convert to fraction form
    256.08/382.92 = 246/x
  3. Step 3: Cross multiply
    256.08x = 382.92 × 246
  4. Step 4: Simplify right side
    256.08x = 94,198.32
  5. Step 5: Solve for x
    x = 94,198.32/256.08
  6. Step 6: Final answer
    x = 367.85

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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.