Finding the Fourth Proportional to 670,046.99, 1,004,626.17 and 243,532.17
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Solution
The fourth proportional to 670,046.99, 1,004,626.17 and 243,532.17 is: 365,136.77
Step by Step Solution
- Step 1: Write the proportion equation
670,046.99 : 1,004,626.17 = 243,532.17 : x - Step 2: Convert to fraction form
670,046.99/1,004,626.17 = 243,532.17/x - Step 3: Cross multiply
670,046.99x = 1,004,626.17 × 243,532.17 - Step 4: Simplify right side
670,046.99x = 244,658,791,218.89 - Step 5: Solve for x
x = 244,658,791,218.89/670,046.99 - Step 6: Final answer
x = 365,136.77
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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.