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Finding the Fourth Proportional to 379,379.75, 569,350.26 and 179,700.58

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Solution

The fourth proportional to 379,379.75, 569,350.26 and 179,700.58 is: 269,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,379.75 : 569,350.26 = 179,700.58 : x
  2. Step 2: Convert to fraction form
    379,379.75/569,350.26 = 179,700.58/x
  3. Step 3: Cross multiply
    379,379.75x = 569,350.26 × 179,700.58
  4. Step 4: Simplify right side
    379,379.75x = 102,312,569,454.24
  5. Step 5: Solve for x
    x = 102,312,569,454.24/379,379.75
  6. Step 6: Final answer
    x = 269,683.79

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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.