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Finding the Fourth Proportional to 317,956.68, 475,896.60 and 233,694.54

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Solution

The fourth proportional to 317,956.68, 475,896.60 and 233,694.54 is: 349,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,956.68 : 475,896.60 = 233,694.54 : x
  2. Step 2: Convert to fraction form
    317,956.68/475,896.60 = 233,694.54/x
  3. Step 3: Cross multiply
    317,956.68x = 475,896.60 × 233,694.54
  4. Step 4: Simplify right side
    317,956.68x = 111,214,437,024.56
  5. Step 5: Solve for x
    x = 111,214,437,024.56/317,956.68
  6. Step 6: Final answer
    x = 349,778.58

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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.