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Finding the Fourth Proportional to 329,993.44, 494,998.70 and 105,353.69

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Solution

The fourth proportional to 329,993.44, 494,998.70 and 105,353.69 is: 158,033.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,993.44 : 494,998.70 = 105,353.69 : x
  2. Step 2: Convert to fraction form
    329,993.44/494,998.70 = 105,353.69/x
  3. Step 3: Cross multiply
    329,993.44x = 494,998.70 × 105,353.69
  4. Step 4: Simplify right side
    329,993.44x = 52,149,937,378.59
  5. Step 5: Solve for x
    x = 52,149,937,378.59/329,993.44
  6. Step 6: Final answer
    x = 158,033.26

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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.