Finding the Fourth Proportional to 509,153.82, 763,829.07 and 193,586.19
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Solution
The fourth proportional to 509,153.82, 763,829.07 and 193,586.19 is: 290,416.68
Step by Step Solution
- Step 1: Write the proportion equation
509,153.82 : 763,829.07 = 193,586.19 : x - Step 2: Convert to fraction form
509,153.82/763,829.07 = 193,586.19/x - Step 3: Cross multiply
509,153.82x = 763,829.07 × 193,586.19 - Step 4: Simplify right side
509,153.82x = 147,866,759,472.54 - Step 5: Solve for x
x = 147,866,759,472.54/509,153.82 - Step 6: Final answer
x = 290,416.68
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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.