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Finding the Fourth Proportional to 227,997.60, 341,996.40 and 211,408.80

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Solution

The fourth proportional to 227,997.60, 341,996.40 and 211,408.80 is: 317,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,997.60 : 341,996.40 = 211,408.80 : x
  2. Step 2: Convert to fraction form
    227,997.60/341,996.40 = 211,408.80/x
  3. Step 3: Cross multiply
    227,997.60x = 341,996.40 × 211,408.80
  4. Step 4: Simplify right side
    227,997.60x = 72,301,048,528.32
  5. Step 5: Solve for x
    x = 72,301,048,528.32/227,997.60
  6. Step 6: Final answer
    x = 317,113.20

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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.