Finding the Fourth Proportional to 574,777.63, 793,133.58 and 353,979.98
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Solution
The fourth proportional to 574,777.63, 793,133.58 and 353,979.98 is: 488,455.70
Step by Step Solution
- Step 1: Write the proportion equation
574,777.63 : 793,133.58 = 353,979.98 : x - Step 2: Convert to fraction form
574,777.63/793,133.58 = 353,979.98/x - Step 3: Cross multiply
574,777.63x = 793,133.58 × 353,979.98 - Step 4: Simplify right side
574,777.63x = 280,753,411,591.98 - Step 5: Solve for x
x = 280,753,411,591.98/574,777.63 - Step 6: Final answer
x = 488,455.70
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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.