Finding the Fourth Proportional to 366,905.70, 513,045.90 and 366,905.70
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Solution
The fourth proportional to 366,905.70, 513,045.90 and 366,905.70 is: 513,045.90
Step by Step Solution
- Step 1: Write the proportion equation
366,905.70 : 513,045.90 = 366,905.70 : x - Step 2: Convert to fraction form
366,905.70/513,045.90 = 366,905.70/x - Step 3: Cross multiply
366,905.70x = 513,045.90 × 366,905.70 - Step 4: Simplify right side
366,905.70x = 188,239,465,071.63 - Step 5: Solve for x
x = 188,239,465,071.63/366,905.70 - Step 6: Final answer
x = 513,045.90
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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.