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Finding the Fourth Proportional to 736.49, 1,103.22 and 370.58

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Solution

The fourth proportional to 736.49, 1,103.22 and 370.58 is: 555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.49 : 1,103.22 = 370.58 : x
  2. Step 2: Convert to fraction form
    736.49/1,103.22 = 370.58/x
  3. Step 3: Cross multiply
    736.49x = 1,103.22 × 370.58
  4. Step 4: Simplify right side
    736.49x = 408,825.75
  5. Step 5: Solve for x
    x = 408,825.75/736.49
  6. Step 6: Final answer
    x = 555.10

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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.