Finding the Fourth Proportional to 416,169.11, 624,346.55 and 163,474.07
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Solution
The fourth proportional to 416,169.11, 624,346.55 and 163,474.07 is: 245,247.59
Step by Step Solution
- Step 1: Write the proportion equation
416,169.11 : 624,346.55 = 163,474.07 : x - Step 2: Convert to fraction form
416,169.11/624,346.55 = 163,474.07/x - Step 3: Cross multiply
416,169.11x = 624,346.55 × 163,474.07 - Step 4: Simplify right side
416,169.11x = 102,064,471,618.96 - Step 5: Solve for x
x = 102,064,471,618.96/416,169.11 - Step 6: Final answer
x = 245,247.59
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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.