Finding the Fourth Proportional to 642,472.49, 963,536.00 and 193,092.99
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Solution
The fourth proportional to 642,472.49, 963,536.00 and 193,092.99 is: 289,587.57
Step by Step Solution
- Step 1: Write the proportion equation
642,472.49 : 963,536.00 = 193,092.99 : x - Step 2: Convert to fraction form
642,472.49/963,536.00 = 193,092.99/x - Step 3: Cross multiply
642,472.49x = 963,536.00 × 193,092.99 - Step 4: Simplify right side
642,472.49x = 186,052,046,247.18 - Step 5: Solve for x
x = 186,052,046,247.18/642,472.49 - Step 6: Final answer
x = 289,587.57
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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.