Finding the Fourth Proportional to 292,006.49, 438,007.14 and 92,327.02
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Solution
The fourth proportional to 292,006.49, 438,007.14 and 92,327.02 is: 138,489.71
Step by Step Solution
- Step 1: Write the proportion equation
292,006.49 : 438,007.14 = 92,327.02 : x - Step 2: Convert to fraction form
292,006.49/438,007.14 = 92,327.02/x - Step 3: Cross multiply
292,006.49x = 438,007.14 × 92,327.02 - Step 4: Simplify right side
292,006.49x = 40,439,892,879.91 - Step 5: Solve for x
x = 40,439,892,879.91/292,006.49 - Step 6: Final answer
x = 138,489.71
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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.