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Finding the Fourth Proportional to 497,067.48, 685,953 and 270,712.98

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Solution

The fourth proportional to 497,067.48, 685,953 and 270,712.98 is: 373,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,067.48 : 685,953 = 270,712.98 : x
  2. Step 2: Convert to fraction form
    497,067.48/685,953 = 270,712.98/x
  3. Step 3: Cross multiply
    497,067.48x = 685,953 × 270,712.98
  4. Step 4: Simplify right side
    497,067.48x = 185,696,380,769.94
  5. Step 5: Solve for x
    x = 185,696,380,769.94/497,067.48
  6. Step 6: Final answer
    x = 373,583.85

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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.