Finding the Fourth Proportional to 749,644.50, 1,124,465.86 and 244,204.66
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Solution
The fourth proportional to 749,644.50, 1,124,465.86 and 244,204.66 is: 366,306.70
Step by Step Solution
- Step 1: Write the proportion equation
749,644.50 : 1,124,465.86 = 244,204.66 : x - Step 2: Convert to fraction form
749,644.50/1,124,465.86 = 244,204.66/x - Step 3: Cross multiply
749,644.50x = 1,124,465.86 × 244,204.66 - Step 4: Simplify right side
749,644.50x = 274,599,799,601.23 - Step 5: Solve for x
x = 274,599,799,601.23/749,644.50 - Step 6: Final answer
x = 366,306.70
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Similar ratio
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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.