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Finding the Fourth Proportional to 339,332.42, 467,963.79 and 218,260.10

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Solution

The fourth proportional to 339,332.42, 467,963.79 and 218,260.10 is: 300,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,332.42 : 467,963.79 = 218,260.10 : x
  2. Step 2: Convert to fraction form
    339,332.42/467,963.79 = 218,260.10/x
  3. Step 3: Cross multiply
    339,332.42x = 467,963.79 × 218,260.10
  4. Step 4: Simplify right side
    339,332.42x = 102,137,823,953.21
  5. Step 5: Solve for x
    x = 102,137,823,953.21/339,332.42
  6. Step 6: Final answer
    x = 300,996.36

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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.