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Finding the Fourth Proportional to 447,955.31, 618,178.37 and 246,751.31

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Solution

The fourth proportional to 447,955.31, 618,178.37 and 246,751.31 is: 340,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,955.31 : 618,178.37 = 246,751.31 : x
  2. Step 2: Convert to fraction form
    447,955.31/618,178.37 = 246,751.31/x
  3. Step 3: Cross multiply
    447,955.31x = 618,178.37 × 246,751.31
  4. Step 4: Simplify right side
    447,955.31x = 152,536,322,922.85
  5. Step 5: Solve for x
    x = 152,536,322,922.85/447,955.31
  6. Step 6: Final answer
    x = 340,516.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.