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Finding the Fourth Proportional to 244,390.80, 366,586.20 and 213,286.80

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Solution

The fourth proportional to 244,390.80, 366,586.20 and 213,286.80 is: 319,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,390.80 : 366,586.20 = 213,286.80 : x
  2. Step 2: Convert to fraction form
    244,390.80/366,586.20 = 213,286.80/x
  3. Step 3: Cross multiply
    244,390.80x = 366,586.20 × 213,286.80
  4. Step 4: Simplify right side
    244,390.80x = 78,187,997,522.16
  5. Step 5: Solve for x
    x = 78,187,997,522.16/244,390.80
  6. Step 6: Final answer
    x = 319,930.20

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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.