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Finding the Fourth Proportional to 848.56, 1,272.83 and 232.25

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Solution

The fourth proportional to 848.56, 1,272.83 and 232.25 is: 348.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.56 : 1,272.83 = 232.25 : x
  2. Step 2: Convert to fraction form
    848.56/1,272.83 = 232.25/x
  3. Step 3: Cross multiply
    848.56x = 1,272.83 × 232.25
  4. Step 4: Simplify right side
    848.56x = 295,620.10
  5. Step 5: Solve for x
    x = 295,620.10/848.56
  6. Step 6: Final answer
    x = 348.38

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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.