Finding the Fourth Proportional to 527,584.19, 791,369.19 and 128,223.81
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Solution
The fourth proportional to 527,584.19, 791,369.19 and 128,223.81 is: 192,333.99
Step by Step Solution
- Step 1: Write the proportion equation
527,584.19 : 791,369.19 = 128,223.81 : x - Step 2: Convert to fraction form
527,584.19/791,369.19 = 128,223.81/x - Step 3: Cross multiply
527,584.19x = 791,369.19 × 128,223.81 - Step 4: Simplify right side
527,584.19x = 101,472,372,658.41 - Step 5: Solve for x
x = 101,472,372,658.41/527,584.19 - Step 6: Final answer
x = 192,333.99
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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.