Finding the Fourth Proportional to 292,220.73, 403,331.76 and 171,400.95
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Solution
The fourth proportional to 292,220.73, 403,331.76 and 171,400.95 is: 236,572.70
Step by Step Solution
- Step 1: Write the proportion equation
292,220.73 : 403,331.76 = 171,400.95 : x - Step 2: Convert to fraction form
292,220.73/403,331.76 = 171,400.95/x - Step 3: Cross multiply
292,220.73x = 403,331.76 × 171,400.95 - Step 4: Simplify right side
292,220.73x = 69,131,446,829.17 - Step 5: Solve for x
x = 69,131,446,829.17/292,220.73 - Step 6: Final answer
x = 236,572.70
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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.