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Finding the Fourth Proportional to 329,880.44, 493,699.08 and 203,600.54

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Solution

The fourth proportional to 329,880.44, 493,699.08 and 203,600.54 is: 304,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,880.44 : 493,699.08 = 203,600.54 : x
  2. Step 2: Convert to fraction form
    329,880.44/493,699.08 = 203,600.54/x
  3. Step 3: Cross multiply
    329,880.44x = 493,699.08 × 203,600.54
  4. Step 4: Simplify right side
    329,880.44x = 100,517,399,285.50
  5. Step 5: Solve for x
    x = 100,517,399,285.50/329,880.44
  6. Step 6: Final answer
    x = 304,708.58

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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.