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Finding the Fourth Proportional to 379,352.98, 569,310.18 and 179,673.85

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Solution

The fourth proportional to 379,352.98, 569,310.18 and 179,673.85 is: 269,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,352.98 : 569,310.18 = 179,673.85 : x
  2. Step 2: Convert to fraction form
    379,352.98/569,310.18 = 179,673.85/x
  3. Step 3: Cross multiply
    379,352.98x = 569,310.18 × 179,673.85
  4. Step 4: Simplify right side
    379,352.98x = 102,290,151,884.79
  5. Step 5: Solve for x
    x = 102,290,151,884.79/379,352.98
  6. Step 6: Final answer
    x = 269,643.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.