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Finding the Fourth Proportional to 299,507.60, 449,196.60 and 131,027.60

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Solution

The fourth proportional to 299,507.60, 449,196.60 and 131,027.60 is: 196,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,507.60 : 449,196.60 = 131,027.60 : x
  2. Step 2: Convert to fraction form
    299,507.60/449,196.60 = 131,027.60/x
  3. Step 3: Cross multiply
    299,507.60x = 449,196.60 × 131,027.60
  4. Step 4: Simplify right side
    299,507.60x = 58,857,152,426.16
  5. Step 5: Solve for x
    x = 58,857,152,426.16/299,507.60
  6. Step 6: Final answer
    x = 196,513.05

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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.