Finding the Fourth Proportional to 670,376.07, 925,137.21 and 364,473.02
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Solution
The fourth proportional to 670,376.07, 925,137.21 and 364,473.02 is: 502,982.68
Step by Step Solution
- Step 1: Write the proportion equation
670,376.07 : 925,137.21 = 364,473.02 : x - Step 2: Convert to fraction form
670,376.07/925,137.21 = 364,473.02/x - Step 3: Cross multiply
670,376.07x = 925,137.21 × 364,473.02 - Step 4: Simplify right side
670,376.07x = 337,187,552,843.07 - Step 5: Solve for x
x = 337,187,552,843.07/670,376.07 - Step 6: Final answer
x = 502,982.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.