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Finding the Fourth Proportional to 330,963.08, 456,709.74 and 185,755.37

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Solution

The fourth proportional to 330,963.08, 456,709.74 and 185,755.37 is: 256,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,963.08 : 456,709.74 = 185,755.37 : x
  2. Step 2: Convert to fraction form
    330,963.08/456,709.74 = 185,755.37/x
  3. Step 3: Cross multiply
    330,963.08x = 456,709.74 × 185,755.37
  4. Step 4: Simplify right side
    330,963.08x = 84,836,286,736.30
  5. Step 5: Solve for x
    x = 84,836,286,736.30/330,963.08
  6. Step 6: Final answer
    x = 256,331.57

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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.