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Finding the Fourth Proportional to 504,795.48, 696,586.14 and 278,440.44

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Solution

The fourth proportional to 504,795.48, 696,586.14 and 278,440.44 is: 384,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,795.48 : 696,586.14 = 278,440.44 : x
  2. Step 2: Convert to fraction form
    504,795.48/696,586.14 = 278,440.44/x
  3. Step 3: Cross multiply
    504,795.48x = 696,586.14 × 278,440.44
  4. Step 4: Simplify right side
    504,795.48x = 193,957,751,319.50
  5. Step 5: Solve for x
    x = 193,957,751,319.50/504,795.48
  6. Step 6: Final answer
    x = 384,230.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.