Finding the Fourth Proportional to 447,866.09, 618,045.97 and 243,920.59
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Solution
The fourth proportional to 447,866.09, 618,045.97 and 243,920.59 is: 336,605.39
Step by Step Solution
- Step 1: Write the proportion equation
447,866.09 : 618,045.97 = 243,920.59 : x - Step 2: Convert to fraction form
447,866.09/618,045.97 = 243,920.59/x - Step 3: Cross multiply
447,866.09x = 618,045.97 × 243,920.59 - Step 4: Simplify right side
447,866.09x = 150,754,138,376.24 - Step 5: Solve for x
x = 150,754,138,376.24/447,866.09 - Step 6: Final answer
x = 336,605.39
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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.