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Finding the Fourth Proportional to 244,505.80, 366,321.30 and 209,513.80

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Solution

The fourth proportional to 244,505.80, 366,321.30 and 209,513.80 is: 313,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,505.80 : 366,321.30 = 209,513.80 : x
  2. Step 2: Convert to fraction form
    244,505.80/366,321.30 = 209,513.80/x
  3. Step 3: Cross multiply
    244,505.80x = 366,321.30 × 209,513.80
  4. Step 4: Simplify right side
    244,505.80x = 76,749,367,583.94
  5. Step 5: Solve for x
    x = 76,749,367,583.94/244,505.80
  6. Step 6: Final answer
    x = 313,895.90

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1.5x scale

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.