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Finding the Fourth Proportional to 231,480.60, 347,739.30 and 222,034.20

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Solution

The fourth proportional to 231,480.60, 347,739.30 and 222,034.20 is: 333,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,480.60 : 347,739.30 = 222,034.20 : x
  2. Step 2: Convert to fraction form
    231,480.60/347,739.30 = 222,034.20/x
  3. Step 3: Cross multiply
    231,480.60x = 347,739.30 × 222,034.20
  4. Step 4: Simplify right side
    231,480.60x = 77,210,017,284.06
  5. Step 5: Solve for x
    x = 77,210,017,284.06/231,480.60
  6. Step 6: Final answer
    x = 333,548.54

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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.