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Finding the Fourth Proportional to 244,302.80, 366,454.20 and 209,310.80

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Solution

The fourth proportional to 244,302.80, 366,454.20 and 209,310.80 is: 313,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,302.80 : 366,454.20 = 209,310.80 : x
  2. Step 2: Convert to fraction form
    244,302.80/366,454.20 = 209,310.80/x
  3. Step 3: Cross multiply
    244,302.80x = 366,454.20 × 209,310.80
  4. Step 4: Simplify right side
    244,302.80x = 76,702,821,765.36
  5. Step 5: Solve for x
    x = 76,702,821,765.36/244,302.80
  6. Step 6: Final answer
    x = 313,966.20

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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.