Finding the Fourth Proportional to 293,221.76, 439,524.84 and 124,702.88
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Solution
The fourth proportional to 293,221.76, 439,524.84 and 124,702.88 is: 186,923.42
Step by Step Solution
- Step 1: Write the proportion equation
293,221.76 : 439,524.84 = 124,702.88 : x - Step 2: Convert to fraction form
293,221.76/439,524.84 = 124,702.88/x - Step 3: Cross multiply
293,221.76x = 439,524.84 × 124,702.88 - Step 4: Simplify right side
293,221.76x = 54,810,013,379.54 - Step 5: Solve for x
x = 54,810,013,379.54/293,221.76 - Step 6: Final answer
x = 186,923.42
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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.