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Finding the Fourth Proportional to 448,362.64, 673,305.78 and 299,559.16

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Solution

The fourth proportional to 448,362.64, 673,305.78 and 299,559.16 is: 449,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,362.64 : 673,305.78 = 299,559.16 : x
  2. Step 2: Convert to fraction form
    448,362.64/673,305.78 = 299,559.16/x
  3. Step 3: Cross multiply
    448,362.64x = 673,305.78 × 299,559.16
  4. Step 4: Simplify right side
    448,362.64x = 201,694,913,879.95
  5. Step 5: Solve for x
    x = 201,694,913,879.95/448,362.64
  6. Step 6: Final answer
    x = 449,847.73

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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.