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Finding the Fourth Proportional to 244,612.20, 366,918.30 and 211,369.80

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Solution

The fourth proportional to 244,612.20, 366,918.30 and 211,369.80 is: 317,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,612.20 : 366,918.30 = 211,369.80 : x
  2. Step 2: Convert to fraction form
    244,612.20/366,918.30 = 211,369.80/x
  3. Step 3: Cross multiply
    244,612.20x = 366,918.30 × 211,369.80
  4. Step 4: Simplify right side
    244,612.20x = 77,555,447,687.34
  5. Step 5: Solve for x
    x = 77,555,447,687.34/244,612.20
  6. Step 6: Final answer
    x = 317,054.70

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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.