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Finding the Fourth Proportional to 329,851.06, 494,777.76 and 80,533.06

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Solution

The fourth proportional to 329,851.06, 494,777.76 and 80,533.06 is: 120,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,851.06 : 494,777.76 = 80,533.06 : x
  2. Step 2: Convert to fraction form
    329,851.06/494,777.76 = 80,533.06/x
  3. Step 3: Cross multiply
    329,851.06x = 494,777.76 × 80,533.06
  4. Step 4: Simplify right side
    329,851.06x = 39,845,967,032.75
  5. Step 5: Solve for x
    x = 39,845,967,032.75/329,851.06
  6. Step 6: Final answer
    x = 120,799.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.