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Finding the Fourth Proportional to 299,682.60, 449,459.10 and 131,202.60

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Solution

The fourth proportional to 299,682.60, 449,459.10 and 131,202.60 is: 196,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,682.60 : 449,459.10 = 131,202.60 : x
  2. Step 2: Convert to fraction form
    299,682.60/449,459.10 = 131,202.60/x
  3. Step 3: Cross multiply
    299,682.60x = 449,459.10 × 131,202.60
  4. Step 4: Simplify right side
    299,682.60x = 58,970,202,513.66
  5. Step 5: Solve for x
    x = 58,970,202,513.66/299,682.60
  6. Step 6: Final answer
    x = 196,775.53

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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.