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Finding the Fourth Proportional to 496,345.44, 684,958.32 and 269,990.88

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Solution

The fourth proportional to 496,345.44, 684,958.32 and 269,990.88 is: 372,588.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,345.44 : 684,958.32 = 269,990.88 : x
  2. Step 2: Convert to fraction form
    496,345.44/684,958.32 = 269,990.88/x
  3. Step 3: Cross multiply
    496,345.44x = 684,958.32 × 269,990.88
  4. Step 4: Simplify right side
    496,345.44x = 184,932,499,580.12
  5. Step 5: Solve for x
    x = 184,932,499,580.12/496,345.44
  6. Step 6: Final answer
    x = 372,588.29

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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.