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Finding the Fourth Proportional to 320,792.22, 481,811.12 and 236,218.37

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Solution

The fourth proportional to 320,792.22, 481,811.12 and 236,218.37 is: 354,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,792.22 : 481,811.12 = 236,218.37 : x
  2. Step 2: Convert to fraction form
    320,792.22/481,811.12 = 236,218.37/x
  3. Step 3: Cross multiply
    320,792.22x = 481,811.12 × 236,218.37
  4. Step 4: Simplify right side
    320,792.22x = 113,812,637,414.27
  5. Step 5: Solve for x
    x = 113,812,637,414.27/320,792.22
  6. Step 6: Final answer
    x = 354,786.15

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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.