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Finding the Fourth Proportional to 321,264.37, 481,834.25 and 121,600.33

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Solution

The fourth proportional to 321,264.37, 481,834.25 and 121,600.33 is: 182,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,264.37 : 481,834.25 = 121,600.33 : x
  2. Step 2: Convert to fraction form
    321,264.37/481,834.25 = 121,600.33/x
  3. Step 3: Cross multiply
    321,264.37x = 481,834.25 × 121,600.33
  4. Step 4: Simplify right side
    321,264.37x = 58,591,203,461.87
  5. Step 5: Solve for x
    x = 58,591,203,461.87/321,264.37
  6. Step 6: Final answer
    x = 182,376.91

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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.