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Finding the Fourth Proportional to 364,556.36, 503,092.24 and 211,630

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Solution

The fourth proportional to 364,556.36, 503,092.24 and 211,630 is: 292,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,556.36 : 503,092.24 = 211,630 : x
  2. Step 2: Convert to fraction form
    364,556.36/503,092.24 = 211,630/x
  3. Step 3: Cross multiply
    364,556.36x = 503,092.24 × 211,630
  4. Step 4: Simplify right side
    364,556.36x = 106,469,410,751.20
  5. Step 5: Solve for x
    x = 106,469,410,751.20/364,556.36
  6. Step 6: Final answer
    x = 292,051.99

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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.