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Finding the Fourth Proportional to 447,308.87, 670,450.23 and 222,166.13

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Solution

The fourth proportional to 447,308.87, 670,450.23 and 222,166.13 is: 332,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,308.87 : 670,450.23 = 222,166.13 : x
  2. Step 2: Convert to fraction form
    447,308.87/670,450.23 = 222,166.13/x
  3. Step 3: Cross multiply
    447,308.87x = 670,450.23 × 222,166.13
  4. Step 4: Simplify right side
    447,308.87x = 148,951,329,604.46
  5. Step 5: Solve for x
    x = 148,951,329,604.46/447,308.87
  6. Step 6: Final answer
    x = 332,994.36

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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.