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Finding the Fourth Proportional to 496,434.84, 685,083.06 and 270,081.96

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Solution

The fourth proportional to 496,434.84, 685,083.06 and 270,081.96 is: 372,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,434.84 : 685,083.06 = 270,081.96 : x
  2. Step 2: Convert to fraction form
    496,434.84/685,083.06 = 270,081.96/x
  3. Step 3: Cross multiply
    496,434.84x = 685,083.06 × 270,081.96
  4. Step 4: Simplify right side
    496,434.84x = 185,028,575,607.60
  5. Step 5: Solve for x
    x = 185,028,575,607.60/496,434.84
  6. Step 6: Final answer
    x = 372,714.73

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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.