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Finding the Fourth Proportional to 735.94, 1,103.90 and 248.99

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Solution

The fourth proportional to 735.94, 1,103.90 and 248.99 is: 373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.94 : 1,103.90 = 248.99 : x
  2. Step 2: Convert to fraction form
    735.94/1,103.90 = 248.99/x
  3. Step 3: Cross multiply
    735.94x = 1,103.90 × 248.99
  4. Step 4: Simplify right side
    735.94x = 274,858.82
  5. Step 5: Solve for x
    x = 274,858.82/735.94
  6. Step 6: Final answer
    x = 373.48

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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.