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Finding the Fourth Proportional to 320,998.60, 481,037.10 and 236,096.20

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Solution

The fourth proportional to 320,998.60, 481,037.10 and 236,096.20 is: 353,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,998.60 : 481,037.10 = 236,096.20 : x
  2. Step 2: Convert to fraction form
    320,998.60/481,037.10 = 236,096.20/x
  3. Step 3: Cross multiply
    320,998.60x = 481,037.10 × 236,096.20
  4. Step 4: Simplify right side
    320,998.60x = 113,571,031,369.02
  5. Step 5: Solve for x
    x = 113,571,031,369.02/320,998.60
  6. Step 6: Final answer
    x = 353,805.38

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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.