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Finding the Fourth Proportional to 449,120.93, 673,682.20 and 299,653.25

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Solution

The fourth proportional to 449,120.93, 673,682.20 and 299,653.25 is: 449,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,120.93 : 673,682.20 = 299,653.25 : x
  2. Step 2: Convert to fraction form
    449,120.93/673,682.20 = 299,653.25/x
  3. Step 3: Cross multiply
    449,120.93x = 673,682.20 × 299,653.25
  4. Step 4: Simplify right side
    449,120.93x = 201,871,056,579.61
  5. Step 5: Solve for x
    x = 201,871,056,579.61/449,120.93
  6. Step 6: Final answer
    x = 449,480.41

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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.