Finding the Fourth Proportional to 626,998.09, 865,267.41 and 340,518.18
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Solution
The fourth proportional to 626,998.09, 865,267.41 and 340,518.18 is: 469,920.54
Step by Step Solution
- Step 1: Write the proportion equation
626,998.09 : 865,267.41 = 340,518.18 : x - Step 2: Convert to fraction form
626,998.09/865,267.41 = 340,518.18/x - Step 3: Cross multiply
626,998.09x = 865,267.41 × 340,518.18 - Step 4: Simplify right side
626,998.09x = 294,639,283,321.08 - Step 5: Solve for x
x = 294,639,283,321.08/626,998.09 - Step 6: Final answer
x = 469,920.54
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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.