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Finding the Fourth Proportional to 364,664.88, 503,203.44 and 211,662.48

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Solution

The fourth proportional to 364,664.88, 503,203.44 and 211,662.48 is: 292,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,664.88 : 503,203.44 = 211,662.48 : x
  2. Step 2: Convert to fraction form
    364,664.88/503,203.44 = 211,662.48/x
  3. Step 3: Cross multiply
    364,664.88x = 503,203.44 × 211,662.48
  4. Step 4: Simplify right side
    364,664.88x = 106,509,288,054.93
  5. Step 5: Solve for x
    x = 106,509,288,054.93/364,664.88
  6. Step 6: Final answer
    x = 292,074.43

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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.