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Finding the Fourth Proportional to 364,668.88, 503,208.96 and 211,666.48

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Solution

The fourth proportional to 364,668.88, 503,208.96 and 211,666.48 is: 292,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,668.88 : 503,208.96 = 211,666.48 : x
  2. Step 2: Convert to fraction form
    364,668.88/503,208.96 = 211,666.48/x
  3. Step 3: Cross multiply
    364,668.88x = 503,208.96 × 211,666.48
  4. Step 4: Simplify right side
    364,668.88x = 106,512,469,267.66
  5. Step 5: Solve for x
    x = 106,512,469,267.66/364,668.88
  6. Step 6: Final answer
    x = 292,079.95

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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.