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Finding the Fourth Proportional to 504,290.73, 695,900.94 and 274,843.09

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Solution

The fourth proportional to 504,290.73, 695,900.94 and 274,843.09 is: 379,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,290.73 : 695,900.94 = 274,843.09 : x
  2. Step 2: Convert to fraction form
    504,290.73/695,900.94 = 274,843.09/x
  3. Step 3: Cross multiply
    504,290.73x = 695,900.94 × 274,843.09
  4. Step 4: Simplify right side
    504,290.73x = 191,263,566,841.71
  5. Step 5: Solve for x
    x = 191,263,566,841.71/504,290.73
  6. Step 6: Final answer
    x = 379,272.42

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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.