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Finding the Fourth Proportional to 244,315.70, 367,457.70 and 218,727.80

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Solution

The fourth proportional to 244,315.70, 367,457.70 and 218,727.80 is: 328,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,315.70 : 367,457.70 = 218,727.80 : x
  2. Step 2: Convert to fraction form
    244,315.70/367,457.70 = 218,727.80/x
  3. Step 3: Cross multiply
    244,315.70x = 367,457.70 × 218,727.80
  4. Step 4: Simplify right side
    244,315.70x = 80,373,214,314.06
  5. Step 5: Solve for x
    x = 80,373,214,314.06/244,315.70
  6. Step 6: Final answer
    x = 328,972.78

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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.