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Finding the Fourth Proportional to 246,388.66, 339,990.97 and 181,892.20

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Solution

The fourth proportional to 246,388.66, 339,990.97 and 181,892.20 is: 250,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,388.66 : 339,990.97 = 181,892.20 : x
  2. Step 2: Convert to fraction form
    246,388.66/339,990.97 = 181,892.20/x
  3. Step 3: Cross multiply
    246,388.66x = 339,990.97 × 181,892.20
  4. Step 4: Simplify right side
    246,388.66x = 61,841,705,513.43
  5. Step 5: Solve for x
    x = 61,841,705,513.43/246,388.66
  6. Step 6: Final answer
    x = 250,992.50

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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.