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Finding the Fourth Proportional to 339,006.36, 467,919.54 and 211,605.24

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Solution

The fourth proportional to 339,006.36, 467,919.54 and 211,605.24 is: 292,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,006.36 : 467,919.54 = 211,605.24 : x
  2. Step 2: Convert to fraction form
    339,006.36/467,919.54 = 211,605.24/x
  3. Step 3: Cross multiply
    339,006.36x = 467,919.54 × 211,605.24
  4. Step 4: Simplify right side
    339,006.36x = 99,014,226,562.39
  5. Step 5: Solve for x
    x = 99,014,226,562.39/339,006.36
  6. Step 6: Final answer
    x = 292,071.88

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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.