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Finding the Fourth Proportional to 848.68, 1,173.49 and 739.33

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Solution

The fourth proportional to 848.68, 1,173.49 and 739.33 is: 1,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.68 : 1,173.49 = 739.33 : x
  2. Step 2: Convert to fraction form
    848.68/1,173.49 = 739.33/x
  3. Step 3: Cross multiply
    848.68x = 1,173.49 × 739.33
  4. Step 4: Simplify right side
    848.68x = 867,591.58
  5. Step 5: Solve for x
    x = 867,591.58/848.68
  6. Step 6: Final answer
    x = 1,022.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.