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Finding the Fourth Proportional to 735.77, 1,103.62 and 248.82

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Solution

The fourth proportional to 735.77, 1,103.62 and 248.82 is: 373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.77 : 1,103.62 = 248.82 : x
  2. Step 2: Convert to fraction form
    735.77/1,103.62 = 248.82/x
  3. Step 3: Cross multiply
    735.77x = 1,103.62 × 248.82
  4. Step 4: Simplify right side
    735.77x = 274,604.87
  5. Step 5: Solve for x
    x = 274,604.87/735.77
  6. Step 6: Final answer
    x = 373.22

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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.