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Finding the Fourth Proportional to 351,751.84, 485,394.48 and 224,413.84

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Solution

The fourth proportional to 351,751.84, 485,394.48 and 224,413.84 is: 309,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,751.84 : 485,394.48 = 224,413.84 : x
  2. Step 2: Convert to fraction form
    351,751.84/485,394.48 = 224,413.84/x
  3. Step 3: Cross multiply
    351,751.84x = 485,394.48 × 224,413.84
  4. Step 4: Simplify right side
    351,751.84x = 108,929,239,171.60
  5. Step 5: Solve for x
    x = 108,929,239,171.60/351,751.84
  6. Step 6: Final answer
    x = 309,676.39

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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.