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Finding the Fourth Proportional to 483,163.75, 724,625.86 and 163,308.51

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Solution

The fourth proportional to 483,163.75, 724,625.86 and 163,308.51 is: 244,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,163.75 : 724,625.86 = 163,308.51 : x
  2. Step 2: Convert to fraction form
    483,163.75/724,625.86 = 163,308.51/x
  3. Step 3: Cross multiply
    483,163.75x = 724,625.86 × 163,308.51
  4. Step 4: Simplify right side
    483,163.75x = 118,337,569,504.07
  5. Step 5: Solve for x
    x = 118,337,569,504.07/483,163.75
  6. Step 6: Final answer
    x = 244,922.28

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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.