Finding the Fourth Proportional to 607,843.19, 910,949.77 and 473,069.99
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Solution
The fourth proportional to 607,843.19, 910,949.77 and 473,069.99 is: 708,970.68
Step by Step Solution
- Step 1: Write the proportion equation
607,843.19 : 910,949.77 = 473,069.99 : x - Step 2: Convert to fraction form
607,843.19/910,949.77 = 473,069.99/x - Step 3: Cross multiply
607,843.19x = 910,949.77 × 473,069.99 - Step 4: Simplify right side
607,843.19x = 430,942,998,584.40 - Step 5: Solve for x
x = 430,942,998,584.40/607,843.19 - Step 6: Final answer
x = 708,970.68
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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.