Finding the Fourth Proportional to 586,415.99, 809,185.79 and 328,307.06
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Solution
The fourth proportional to 586,415.99, 809,185.79 and 328,307.06 is: 453,025.51
Step by Step Solution
- Step 1: Write the proportion equation
586,415.99 : 809,185.79 = 328,307.06 : x - Step 2: Convert to fraction form
586,415.99/809,185.79 = 328,307.06/x - Step 3: Cross multiply
586,415.99x = 809,185.79 × 328,307.06 - Step 4: Simplify right side
586,415.99x = 265,661,402,021.21 - Step 5: Solve for x
x = 265,661,402,021.21/586,415.99 - Step 6: Final answer
x = 453,025.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.