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Finding the Fourth Proportional to 244,626.20, 366,939.30 and 211,383.80

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Solution

The fourth proportional to 244,626.20, 366,939.30 and 211,383.80 is: 317,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,626.20 : 366,939.30 = 211,383.80 : x
  2. Step 2: Convert to fraction form
    244,626.20/366,939.30 = 211,383.80/x
  3. Step 3: Cross multiply
    244,626.20x = 366,939.30 × 211,383.80
  4. Step 4: Simplify right side
    244,626.20x = 77,565,023,603.34
  5. Step 5: Solve for x
    x = 77,565,023,603.34/244,626.20
  6. Step 6: Final answer
    x = 317,075.70

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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.