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Finding the Fourth Proportional to 244,642.70, 366,964.05 and 220,148.30

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Solution

The fourth proportional to 244,642.70, 366,964.05 and 220,148.30 is: 330,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,642.70 : 366,964.05 = 220,148.30 : x
  2. Step 2: Convert to fraction form
    244,642.70/366,964.05 = 220,148.30/x
  3. Step 3: Cross multiply
    244,642.70x = 366,964.05 × 220,148.30
  4. Step 4: Simplify right side
    244,642.70x = 80,786,511,768.62
  5. Step 5: Solve for x
    x = 80,786,511,768.62/244,642.70
  6. Step 6: Final answer
    x = 330,222.45

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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.