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Finding the Fourth Proportional to 483,887.52, 725,832.36 and 146,930.76

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Solution

The fourth proportional to 483,887.52, 725,832.36 and 146,930.76 is: 220,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,887.52 : 725,832.36 = 146,930.76 : x
  2. Step 2: Convert to fraction form
    483,887.52/725,832.36 = 146,930.76/x
  3. Step 3: Cross multiply
    483,887.52x = 725,832.36 × 146,930.76
  4. Step 4: Simplify right side
    483,887.52x = 106,647,100,287.39
  5. Step 5: Solve for x
    x = 106,647,100,287.39/483,887.52
  6. Step 6: Final answer
    x = 220,396.47

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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.