Finding the Fourth Proportional to 362,943.91, 500,720.84 and 207,812.31
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Solution
The fourth proportional to 362,943.91, 500,720.84 and 207,812.31 is: 286,699.82
Step by Step Solution
- Step 1: Write the proportion equation
362,943.91 : 500,720.84 = 207,812.31 : x - Step 2: Convert to fraction form
362,943.91/500,720.84 = 207,812.31/x - Step 3: Cross multiply
362,943.91x = 500,720.84 × 207,812.31 - Step 4: Simplify right side
362,943.91x = 104,055,954,425.54 - Step 5: Solve for x
x = 104,055,954,425.54/362,943.91 - Step 6: Final answer
x = 286,699.82
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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.