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Finding the Fourth Proportional to 797.92, 1,100.79 and 483.23

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Solution

The fourth proportional to 797.92, 1,100.79 and 483.23 is: 666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.92 : 1,100.79 = 483.23 : x
  2. Step 2: Convert to fraction form
    797.92/1,100.79 = 483.23/x
  3. Step 3: Cross multiply
    797.92x = 1,100.79 × 483.23
  4. Step 4: Simplify right side
    797.92x = 531,937.50
  5. Step 5: Solve for x
    x = 531,937.50/797.92
  6. Step 6: Final answer
    x = 666.66

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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.