Finding the Fourth Proportional to 328,897.17, 453,829.57 and 192,879.74
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Solution
The fourth proportional to 328,897.17, 453,829.57 and 192,879.74 is: 266,145.59
Step by Step Solution
- Step 1: Write the proportion equation
328,897.17 : 453,829.57 = 192,879.74 : x - Step 2: Convert to fraction form
328,897.17/453,829.57 = 192,879.74/x - Step 3: Cross multiply
328,897.17x = 453,829.57 × 192,879.74 - Step 4: Simplify right side
328,897.17x = 87,534,530,118.29 - Step 5: Solve for x
x = 87,534,530,118.29/328,897.17 - Step 6: Final answer
x = 266,145.59
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1.5x scale
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.