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Finding the Fourth Proportional to 736.54, 1,104.44 and 411.82

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Solution

The fourth proportional to 736.54, 1,104.44 and 411.82 is: 617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.54 : 1,104.44 = 411.82 : x
  2. Step 2: Convert to fraction form
    736.54/1,104.44 = 411.82/x
  3. Step 3: Cross multiply
    736.54x = 1,104.44 × 411.82
  4. Step 4: Simplify right side
    736.54x = 454,830.48
  5. Step 5: Solve for x
    x = 454,830.48/736.54
  6. Step 6: Final answer
    x = 617.52

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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.