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Finding the Fourth Proportional to 496,634.88, 685,334.88 and 270,279.84

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Solution

The fourth proportional to 496,634.88, 685,334.88 and 270,279.84 is: 372,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,634.88 : 685,334.88 = 270,279.84 : x
  2. Step 2: Convert to fraction form
    496,634.88/685,334.88 = 270,279.84/x
  3. Step 3: Cross multiply
    496,634.88x = 685,334.88 × 270,279.84
  4. Step 4: Simplify right side
    496,634.88x = 185,232,201,712.82
  5. Step 5: Solve for x
    x = 185,232,201,712.82/496,634.88
  6. Step 6: Final answer
    x = 372,974.61

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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.