Finding the Fourth Proportional to 274,795.68, 412,349.40 and 117,007.68
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Solution
The fourth proportional to 274,795.68, 412,349.40 and 117,007.68 is: 175,577.89
Step by Step Solution
- Step 1: Write the proportion equation
274,795.68 : 412,349.40 = 117,007.68 : x - Step 2: Convert to fraction form
274,795.68/412,349.40 = 117,007.68/x - Step 3: Cross multiply
274,795.68x = 412,349.40 × 117,007.68 - Step 4: Simplify right side
274,795.68x = 48,248,046,643.39 - Step 5: Solve for x
x = 48,248,046,643.39/274,795.68 - Step 6: Final answer
x = 175,577.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.