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Finding the Fourth Proportional to 273,639.05, 410,458.58 and 230,336.45

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Solution

The fourth proportional to 273,639.05, 410,458.58 and 230,336.45 is: 345,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,639.05 : 410,458.58 = 230,336.45 : x
  2. Step 2: Convert to fraction form
    273,639.05/410,458.58 = 230,336.45/x
  3. Step 3: Cross multiply
    273,639.05x = 410,458.58 × 230,336.45
  4. Step 4: Simplify right side
    273,639.05x = 94,543,571,037.56
  5. Step 5: Solve for x
    x = 94,543,571,037.56/273,639.05
  6. Step 6: Final answer
    x = 345,504.68

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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.