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Finding the Fourth Proportional to 848.80, 1,273.09 and 232.56

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Solution

The fourth proportional to 848.80, 1,273.09 and 232.56 is: 348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.80 : 1,273.09 = 232.56 : x
  2. Step 2: Convert to fraction form
    848.80/1,273.09 = 232.56/x
  3. Step 3: Cross multiply
    848.80x = 1,273.09 × 232.56
  4. Step 4: Simplify right side
    848.80x = 296,063.44
  5. Step 5: Solve for x
    x = 296,063.44/848.80
  6. Step 6: Final answer
    x = 348.80

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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.