Finding the Fourth Proportional to 366,813.70, 513,889.10 and 366,813.70
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Solution
The fourth proportional to 366,813.70, 513,889.10 and 366,813.70 is: 513,889.10
Step by Step Solution
- Step 1: Write the proportion equation
366,813.70 : 513,889.10 = 366,813.70 : x - Step 2: Convert to fraction form
366,813.70/513,889.10 = 366,813.70/x - Step 3: Cross multiply
366,813.70x = 513,889.10 × 366,813.70 - Step 4: Simplify right side
366,813.70x = 188,501,562,160.67 - Step 5: Solve for x
x = 188,501,562,160.67/366,813.70 - Step 6: Final answer
x = 513,889.10
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.