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Finding the Fourth Proportional to 274,415.80, 412,314.90 and 174,623.80

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Solution

The fourth proportional to 274,415.80, 412,314.90 and 174,623.80 is: 262,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,415.80 : 412,314.90 = 174,623.80 : x
  2. Step 2: Convert to fraction form
    274,415.80/412,314.90 = 174,623.80/x
  3. Step 3: Cross multiply
    274,415.80x = 412,314.90 × 174,623.80
  4. Step 4: Simplify right side
    274,415.80x = 71,999,994,634.62
  5. Step 5: Solve for x
    x = 71,999,994,634.62/274,415.80
  6. Step 6: Final answer
    x = 262,375.54

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1.5x scale

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.