Finding the Fourth Proportional to 303,739.02, 455,652.09 and 93,394.62
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Solution
The fourth proportional to 303,739.02, 455,652.09 and 93,394.62 is: 140,105.32
Step by Step Solution
- Step 1: Write the proportion equation
303,739.02 : 455,652.09 = 93,394.62 : x - Step 2: Convert to fraction form
303,739.02/455,652.09 = 93,394.62/x - Step 3: Cross multiply
303,739.02x = 455,652.09 × 93,394.62 - Step 4: Simplify right side
303,739.02x = 42,555,453,797.76 - Step 5: Solve for x
x = 42,555,453,797.76/303,739.02 - Step 6: Final answer
x = 140,105.32
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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.