Finding the Fourth Proportional to 298,769.68, 448,224.44 and 118,865.29
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Solution
The fourth proportional to 298,769.68, 448,224.44 and 118,865.29 is: 178,325.75
Step by Step Solution
- Step 1: Write the proportion equation
298,769.68 : 448,224.44 = 118,865.29 : x - Step 2: Convert to fraction form
298,769.68/448,224.44 = 118,865.29/x - Step 3: Cross multiply
298,769.68x = 448,224.44 × 118,865.29 - Step 4: Simplify right side
298,769.68x = 53,278,325,210.24 - Step 5: Solve for x
x = 53,278,325,210.24/298,769.68 - Step 6: Final answer
x = 178,325.75
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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.