Finding the Fourth Proportional to 292,545.62, 403,712.96 and 158,409.62
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Solution
The fourth proportional to 292,545.62, 403,712.96 and 158,409.62 is: 218,605.28
Step by Step Solution
- Step 1: Write the proportion equation
292,545.62 : 403,712.96 = 158,409.62 : x - Step 2: Convert to fraction form
292,545.62/403,712.96 = 158,409.62/x - Step 3: Cross multiply
292,545.62x = 403,712.96 × 158,409.62 - Step 4: Simplify right side
292,545.62x = 63,952,016,582.68 - Step 5: Solve for x
x = 63,952,016,582.68/292,545.62 - Step 6: Final answer
x = 218,605.28
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1.5x scale
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.