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Finding the Fourth Proportional to 313,936.92, 433,231.92 and 170,695.80

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Solution

The fourth proportional to 313,936.92, 433,231.92 and 170,695.80 is: 235,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,936.92 : 433,231.92 = 170,695.80 : x
  2. Step 2: Convert to fraction form
    313,936.92/433,231.92 = 170,695.80/x
  3. Step 3: Cross multiply
    313,936.92x = 433,231.92 × 170,695.80
  4. Step 4: Simplify right side
    313,936.92x = 73,950,869,169.94
  5. Step 5: Solve for x
    x = 73,950,869,169.94/313,936.92
  6. Step 6: Final answer
    x = 235,559.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.