Finding the Fourth Proportional to 524,497.20, 786,745.80 and 169,765.80
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Solution
The fourth proportional to 524,497.20, 786,745.80 and 169,765.80 is: 254,648.70
Step by Step Solution
- Step 1: Write the proportion equation
524,497.20 : 786,745.80 = 169,765.80 : x - Step 2: Convert to fraction form
524,497.20/786,745.80 = 169,765.80/x - Step 3: Cross multiply
524,497.20x = 786,745.80 × 169,765.80 - Step 4: Simplify right side
524,497.20x = 133,562,530,133.64 - Step 5: Solve for x
x = 133,562,530,133.64/524,497.20 - Step 6: Final answer
x = 254,648.70
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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.