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Finding the Fourth Proportional to 735.10, 1,103.01 and 369.82

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Solution

The fourth proportional to 735.10, 1,103.01 and 369.82 is: 554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.10 : 1,103.01 = 369.82 : x
  2. Step 2: Convert to fraction form
    735.10/1,103.01 = 369.82/x
  3. Step 3: Cross multiply
    735.10x = 1,103.01 × 369.82
  4. Step 4: Simplify right side
    735.10x = 407,915.16
  5. Step 5: Solve for x
    x = 407,915.16/735.10
  6. Step 6: Final answer
    x = 554.91

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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.