Finding the Fourth Proportional to 588,070.52, 811,697.43 and 346,431.62
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Solution
The fourth proportional to 588,070.52, 811,697.43 and 346,431.62 is: 478,169.95
Step by Step Solution
- Step 1: Write the proportion equation
588,070.52 : 811,697.43 = 346,431.62 : x - Step 2: Convert to fraction form
588,070.52/811,697.43 = 346,431.62/x - Step 3: Cross multiply
588,070.52x = 811,697.43 × 346,431.62 - Step 4: Simplify right side
588,070.52x = 281,197,651,566.25 - Step 5: Solve for x
x = 281,197,651,566.25/588,070.52 - Step 6: Final answer
x = 478,169.95
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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.