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Finding the Fourth Proportional to 329,660.80, 494,644.80 and 246,716.80

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Solution

The fourth proportional to 329,660.80, 494,644.80 and 246,716.80 is: 370,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,660.80 : 494,644.80 = 246,716.80 : x
  2. Step 2: Convert to fraction form
    329,660.80/494,644.80 = 246,716.80/x
  3. Step 3: Cross multiply
    329,660.80x = 494,644.80 × 246,716.80
  4. Step 4: Simplify right side
    329,660.80x = 122,037,182,192.64
  5. Step 5: Solve for x
    x = 122,037,182,192.64/329,660.80
  6. Step 6: Final answer
    x = 370,190.15

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1.5x scale

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.