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Finding the Fourth Proportional to 544.20, 816.41 and 236

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Solution

The fourth proportional to 544.20, 816.41 and 236 is: 354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.20 : 816.41 = 236 : x
  2. Step 2: Convert to fraction form
    544.20/816.41 = 236/x
  3. Step 3: Cross multiply
    544.20x = 816.41 × 236
  4. Step 4: Simplify right side
    544.20x = 192,672.76
  5. Step 5: Solve for x
    x = 192,672.76/544.20
  6. Step 6: Final answer
    x = 354.05

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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.