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Finding the Fourth Proportional to 447,884.63, 618,080.79 and 246,680.63

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Solution

The fourth proportional to 447,884.63, 618,080.79 and 246,680.63 is: 340,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,884.63 : 618,080.79 = 246,680.63 : x
  2. Step 2: Convert to fraction form
    447,884.63/618,080.79 = 246,680.63/x
  3. Step 3: Cross multiply
    447,884.63x = 618,080.79 × 246,680.63
  4. Step 4: Simplify right side
    447,884.63x = 152,468,558,668.10
  5. Step 5: Solve for x
    x = 152,468,558,668.10/447,884.63
  6. Step 6: Final answer
    x = 340,419.27

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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.