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Finding the Fourth Proportional to 504,231.62, 695,819.38 and 274,784.03

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Solution

The fourth proportional to 504,231.62, 695,819.38 and 274,784.03 is: 379,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,231.62 : 695,819.38 = 274,784.03 : x
  2. Step 2: Convert to fraction form
    504,231.62/695,819.38 = 274,784.03/x
  3. Step 3: Cross multiply
    504,231.62x = 695,819.38 × 274,784.03
  4. Step 4: Simplify right side
    504,231.62x = 191,200,053,388.50
  5. Step 5: Solve for x
    x = 191,200,053,388.50/504,231.62
  6. Step 6: Final answer
    x = 379,190.92

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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.