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Finding the Fourth Proportional to 451,234.68, 622,539.10 and 269,951.82

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Solution

The fourth proportional to 451,234.68, 622,539.10 and 269,951.82 is: 372,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,234.68 : 622,539.10 = 269,951.82 : x
  2. Step 2: Convert to fraction form
    451,234.68/622,539.10 = 269,951.82/x
  3. Step 3: Cross multiply
    451,234.68x = 622,539.10 × 269,951.82
  4. Step 4: Simplify right side
    451,234.68x = 168,055,563,066.16
  5. Step 5: Solve for x
    x = 168,055,563,066.16/451,234.68
  6. Step 6: Final answer
    x = 372,434.94

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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.