Finding the Fourth Proportional to 416,441.15, 624,918.75 and 163,677.31
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Solution
The fourth proportional to 416,441.15, 624,918.75 and 163,677.31 is: 245,616.98
Step by Step Solution
- Step 1: Write the proportion equation
416,441.15 : 624,918.75 = 163,677.31 : x - Step 2: Convert to fraction form
416,441.15/624,918.75 = 163,677.31/x - Step 3: Cross multiply
416,441.15x = 624,918.75 × 163,677.31 - Step 4: Simplify right side
416,441.15x = 102,285,017,792.48 - Step 5: Solve for x
x = 102,285,017,792.48/416,441.15 - Step 6: Final answer
x = 245,616.98
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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.