Finding the Fourth Proportional to 366,927.70, 550,391.55 and 314,439.70
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Solution
The fourth proportional to 366,927.70, 550,391.55 and 314,439.70 is: 471,659.55
Step by Step Solution
- Step 1: Write the proportion equation
366,927.70 : 550,391.55 = 314,439.70 : x - Step 2: Convert to fraction form
366,927.70/550,391.55 = 314,439.70/x - Step 3: Cross multiply
366,927.70x = 550,391.55 × 314,439.70 - Step 4: Simplify right side
366,927.70x = 173,064,953,864.54 - Step 5: Solve for x
x = 173,064,953,864.54/366,927.70 - Step 6: Final answer
x = 471,659.55
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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.