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Finding the Fourth Proportional to 364,940.54, 503,507.88 and 211,949.24

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Solution

The fourth proportional to 364,940.54, 503,507.88 and 211,949.24 is: 292,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,940.54 : 503,507.88 = 211,949.24 : x
  2. Step 2: Convert to fraction form
    364,940.54/503,507.88 = 211,949.24/x
  3. Step 3: Cross multiply
    364,940.54x = 503,507.88 × 211,949.24
  4. Step 4: Simplify right side
    364,940.54x = 106,718,112,500.01
  5. Step 5: Solve for x
    x = 106,718,112,500.01/364,940.54
  6. Step 6: Final answer
    x = 292,426.03

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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.