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Finding the Fourth Proportional to 348,900.60, 481,455.42 and 197,997.56

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Solution

The fourth proportional to 348,900.60, 481,455.42 and 197,997.56 is: 273,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,900.60 : 481,455.42 = 197,997.56 : x
  2. Step 2: Convert to fraction form
    348,900.60/481,455.42 = 197,997.56/x
  3. Step 3: Cross multiply
    348,900.60x = 481,455.42 × 197,997.56
  4. Step 4: Simplify right side
    348,900.60x = 95,326,998,408.78
  5. Step 5: Solve for x
    x = 95,326,998,408.78/348,900.60
  6. Step 6: Final answer
    x = 273,221.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.