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Finding the Fourth Proportional to 322,471.60, 483,361.80 and 122,714.80

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Solution

The fourth proportional to 322,471.60, 483,361.80 and 122,714.80 is: 183,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,471.60 : 483,361.80 = 122,714.80 : x
  2. Step 2: Convert to fraction form
    322,471.60/483,361.80 = 122,714.80/x
  3. Step 3: Cross multiply
    322,471.60x = 483,361.80 × 122,714.80
  4. Step 4: Simplify right side
    322,471.60x = 59,315,646,614.64
  5. Step 5: Solve for x
    x = 59,315,646,614.64/322,471.60
  6. Step 6: Final answer
    x = 183,940.68

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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.