Finding the Fourth Proportional to 482,786.10, 724,438.35 and 202,331.70
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Solution
The fourth proportional to 482,786.10, 724,438.35 and 202,331.70 is: 303,606.18
Step by Step Solution
- Step 1: Write the proportion equation
482,786.10 : 724,438.35 = 202,331.70 : x - Step 2: Convert to fraction form
482,786.10/724,438.35 = 202,331.70/x - Step 3: Cross multiply
482,786.10x = 724,438.35 × 202,331.70 - Step 4: Simplify right side
482,786.10x = 146,576,842,900.70 - Step 5: Solve for x
x = 146,576,842,900.70/482,786.10 - Step 6: Final answer
x = 303,606.18
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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.