Finding the Fourth Proportional to 366,925.99, 550,440.02 and 130,212.40
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Solution
The fourth proportional to 366,925.99, 550,440.02 and 130,212.40 is: 195,336.71
Step by Step Solution
- Step 1: Write the proportion equation
366,925.99 : 550,440.02 = 130,212.40 : x - Step 2: Convert to fraction form
366,925.99/550,440.02 = 130,212.40/x - Step 3: Cross multiply
366,925.99x = 550,440.02 × 130,212.40 - Step 4: Simplify right side
366,925.99x = 71,674,116,060.25 - Step 5: Solve for x
x = 71,674,116,060.25/366,925.99 - Step 6: Final answer
x = 195,336.71
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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.