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Finding the Fourth Proportional to 274.68, 411.08 and 236

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Solution

The fourth proportional to 274.68, 411.08 and 236 is: 353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.68 : 411.08 = 236 : x
  2. Step 2: Convert to fraction form
    274.68/411.08 = 236/x
  3. Step 3: Cross multiply
    274.68x = 411.08 × 236
  4. Step 4: Simplify right side
    274.68x = 97,014.88
  5. Step 5: Solve for x
    x = 97,014.88/274.68
  6. Step 6: Final answer
    x = 353.19

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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.