Finding the Fourth Proportional to 611,696.07, 917,544.11 and 191,007.99
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Solution
The fourth proportional to 611,696.07, 917,544.11 and 191,007.99 is: 286,511.99
Step by Step Solution
- Step 1: Write the proportion equation
611,696.07 : 917,544.11 = 191,007.99 : x - Step 2: Convert to fraction form
611,696.07/917,544.11 = 191,007.99/x - Step 3: Cross multiply
611,696.07x = 917,544.11 × 191,007.99 - Step 4: Simplify right side
611,696.07x = 175,258,255,232.40 - Step 5: Solve for x
x = 175,258,255,232.40/611,696.07 - Step 6: Final answer
x = 286,511.99
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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.