Finding the Fourth Proportional to 384,003.60, 538,158 and 384,003.60
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Solution
The fourth proportional to 384,003.60, 538,158 and 384,003.60 is: 538,158
Step by Step Solution
- Step 1: Write the proportion equation
384,003.60 : 538,158 = 384,003.60 : x - Step 2: Convert to fraction form
384,003.60/538,158 = 384,003.60/x - Step 3: Cross multiply
384,003.60x = 538,158 × 384,003.60 - Step 4: Simplify right side
384,003.60x = 206,654,609,368.80 - Step 5: Solve for x
x = 206,654,609,368.80/384,003.60 - Step 6: Final answer
x = 538,158
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.