Finding the Fourth Proportional to 512,350.96, 768,130.47 and 192,496.06
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Solution
The fourth proportional to 512,350.96, 768,130.47 and 192,496.06 is: 288,595.32
Step by Step Solution
- Step 1: Write the proportion equation
512,350.96 : 768,130.47 = 192,496.06 : x - Step 2: Convert to fraction form
512,350.96/768,130.47 = 192,496.06/x - Step 3: Cross multiply
512,350.96x = 768,130.47 × 192,496.06 - Step 4: Simplify right side
512,350.96x = 147,862,089,040.95 - Step 5: Solve for x
x = 147,862,089,040.95/512,350.96 - Step 6: Final answer
x = 288,595.32
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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.