Finding the Fourth Proportional to 365,852.20, 548,122.20 and 313,364.20
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Solution
The fourth proportional to 365,852.20, 548,122.20 and 313,364.20 is: 469,484.33
Step by Step Solution
- Step 1: Write the proportion equation
365,852.20 : 548,122.20 = 313,364.20 : x - Step 2: Convert to fraction form
365,852.20/548,122.20 = 313,364.20/x - Step 3: Cross multiply
365,852.20x = 548,122.20 × 313,364.20 - Step 4: Simplify right side
365,852.20x = 171,761,874,705.24 - Step 5: Solve for x
x = 171,761,874,705.24/365,852.20 - Step 6: Final answer
x = 469,484.33
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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.