Finding the Fourth Proportional to 301,936.54, 416,673.28 and 172,876.99
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Solution
The fourth proportional to 301,936.54, 416,673.28 and 172,876.99 is: 238,570.74
Step by Step Solution
- Step 1: Write the proportion equation
301,936.54 : 416,673.28 = 172,876.99 : x - Step 2: Convert to fraction form
301,936.54/416,673.28 = 172,876.99/x - Step 3: Cross multiply
301,936.54x = 416,673.28 × 172,876.99 - Step 4: Simplify right side
301,936.54x = 72,033,221,829.56 - Step 5: Solve for x
x = 72,033,221,829.56/301,936.54 - Step 6: Final answer
x = 238,570.74
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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.