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Finding the Fourth Proportional to 250,561.50, 345,936.15 and 223,657.98

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Solution

The fourth proportional to 250,561.50, 345,936.15 and 223,657.98 is: 308,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,561.50 : 345,936.15 = 223,657.98 : x
  2. Step 2: Convert to fraction form
    250,561.50/345,936.15 = 223,657.98/x
  3. Step 3: Cross multiply
    250,561.50x = 345,936.15 × 223,657.98
  4. Step 4: Simplify right side
    250,561.50x = 77,371,380,517.98
  5. Step 5: Solve for x
    x = 77,371,380,517.98/250,561.50
  6. Step 6: Final answer
    x = 308,791.98

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1.5x scale

Why These Related Problems?

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