Finding the Fourth Proportional to 367,069.05, 515,077.65 and 367,069.05
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Solution
The fourth proportional to 367,069.05, 515,077.65 and 367,069.05 is: 515,077.65
Step by Step Solution
- Step 1: Write the proportion equation
367,069.05 : 515,077.65 = 367,069.05 : x - Step 2: Convert to fraction form
367,069.05/515,077.65 = 367,069.05/x - Step 3: Cross multiply
367,069.05x = 515,077.65 × 367,069.05 - Step 4: Simplify right side
367,069.05x = 189,069,063,661.73 - Step 5: Solve for x
x = 189,069,063,661.73/367,069.05 - Step 6: Final answer
x = 515,077.65
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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.