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Finding the Fourth Proportional to 330,060.61, 494,647.44 and 180,076.15

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Solution

The fourth proportional to 330,060.61, 494,647.44 and 180,076.15 is: 269,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,060.61 : 494,647.44 = 180,076.15 : x
  2. Step 2: Convert to fraction form
    330,060.61/494,647.44 = 180,076.15/x
  3. Step 3: Cross multiply
    330,060.61x = 494,647.44 × 180,076.15
  4. Step 4: Simplify right side
    330,060.61x = 89,074,206,602.56
  5. Step 5: Solve for x
    x = 89,074,206,602.56/330,060.61
  6. Step 6: Final answer
    x = 269,872.27

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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.