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Finding the Fourth Proportional to 247,069.80, 370,604.70 and 223,450.20

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Solution

The fourth proportional to 247,069.80, 370,604.70 and 223,450.20 is: 335,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,069.80 : 370,604.70 = 223,450.20 : x
  2. Step 2: Convert to fraction form
    247,069.80/370,604.70 = 223,450.20/x
  3. Step 3: Cross multiply
    247,069.80x = 370,604.70 × 223,450.20
  4. Step 4: Simplify right side
    247,069.80x = 82,811,694,335.94
  5. Step 5: Solve for x
    x = 82,811,694,335.94/247,069.80
  6. Step 6: Final answer
    x = 335,175.30

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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.