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Finding the Fourth Proportional to 252,840.60, 347,846.94 and 245,842.20

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Solution

The fourth proportional to 252,840.60, 347,846.94 and 245,842.20 is: 338,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,840.60 : 347,846.94 = 245,842.20 : x
  2. Step 2: Convert to fraction form
    252,840.60/347,846.94 = 245,842.20/x
  3. Step 3: Cross multiply
    252,840.60x = 347,846.94 × 245,842.20
  4. Step 4: Simplify right side
    252,840.60x = 85,515,456,992.87
  5. Step 5: Solve for x
    x = 85,515,456,992.87/252,840.60
  6. Step 6: Final answer
    x = 338,218.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.