Finding the Fourth Proportional to 493,628.09, 740,442.11 and 119,651.09
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Solution
The fourth proportional to 493,628.09, 740,442.11 and 119,651.09 is: 179,476.62
Step by Step Solution
- Step 1: Write the proportion equation
493,628.09 : 740,442.11 = 119,651.09 : x - Step 2: Convert to fraction form
493,628.09/740,442.11 = 119,651.09/x - Step 3: Cross multiply
493,628.09x = 740,442.11 × 119,651.09 - Step 4: Simplify right side
493,628.09x = 88,594,701,242.93 - Step 5: Solve for x
x = 88,594,701,242.93/493,628.09 - Step 6: Final answer
x = 179,476.62
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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.