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Finding the Fourth Proportional to 329,047.44, 493,571.23 and 118,685.36

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Solution

The fourth proportional to 329,047.44, 493,571.23 and 118,685.36 is: 178,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,047.44 : 493,571.23 = 118,685.36 : x
  2. Step 2: Convert to fraction form
    329,047.44/493,571.23 = 118,685.36/x
  3. Step 3: Cross multiply
    329,047.44x = 493,571.23 × 118,685.36
  4. Step 4: Simplify right side
    329,047.44x = 58,579,676,056.91
  5. Step 5: Solve for x
    x = 58,579,676,056.91/329,047.44
  6. Step 6: Final answer
    x = 178,028.06

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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.