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Finding the Fourth Proportional to 222,801.10, 334,201.65 and 220,832.80

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Solution

The fourth proportional to 222,801.10, 334,201.65 and 220,832.80 is: 331,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,801.10 : 334,201.65 = 220,832.80 : x
  2. Step 2: Convert to fraction form
    222,801.10/334,201.65 = 220,832.80/x
  3. Step 3: Cross multiply
    222,801.10x = 334,201.65 × 220,832.80
  4. Step 4: Simplify right side
    222,801.10x = 73,802,686,134.12
  5. Step 5: Solve for x
    x = 73,802,686,134.12/222,801.10
  6. Step 6: Final answer
    x = 331,249.20

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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.