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Finding the Fourth Proportional to 449,043.32, 673,082.91 and 223,959.09

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Solution

The fourth proportional to 449,043.32, 673,082.91 and 223,959.09 is: 335,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,043.32 : 673,082.91 = 223,959.09 : x
  2. Step 2: Convert to fraction form
    449,043.32/673,082.91 = 223,959.09/x
  3. Step 3: Cross multiply
    449,043.32x = 673,082.91 × 223,959.09
  4. Step 4: Simplify right side
    449,043.32x = 150,743,036,018.15
  5. Step 5: Solve for x
    x = 150,743,036,018.15/449,043.32
  6. Step 6: Final answer
    x = 335,698.21

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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.