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Finding the Fourth Proportional to 797.33, 1,100.42 and 482.60

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Solution

The fourth proportional to 797.33, 1,100.42 and 482.60 is: 666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.33 : 1,100.42 = 482.60 : x
  2. Step 2: Convert to fraction form
    797.33/1,100.42 = 482.60/x
  3. Step 3: Cross multiply
    797.33x = 1,100.42 × 482.60
  4. Step 4: Simplify right side
    797.33x = 531,060.28
  5. Step 5: Solve for x
    x = 531,060.28/797.33
  6. Step 6: Final answer
    x = 666.05

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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.