Finding the Fourth Proportional to 329,245.23, 493,528.86 and 129,484.65
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Solution
The fourth proportional to 329,245.23, 493,528.86 and 129,484.65 is: 194,093.66
Step by Step Solution
- Step 1: Write the proportion equation
329,245.23 : 493,528.86 = 129,484.65 : x - Step 2: Convert to fraction form
329,245.23/493,528.86 = 129,484.65/x - Step 3: Cross multiply
329,245.23x = 493,528.86 × 129,484.65 - Step 4: Simplify right side
329,245.23x = 63,904,411,702.00 - Step 5: Solve for x
x = 63,904,411,702.00/329,245.23 - Step 6: Final answer
x = 194,093.66
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1.5x scale
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.