Finding the Fourth Proportional to 588,307.97, 811,595.36 and 346,474.78
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Solution
The fourth proportional to 588,307.97, 811,595.36 and 346,474.78 is: 477,976.39
Step by Step Solution
- Step 1: Write the proportion equation
588,307.97 : 811,595.36 = 346,474.78 : x - Step 2: Convert to fraction form
588,307.97/811,595.36 = 346,474.78/x - Step 3: Cross multiply
588,307.97x = 811,595.36 × 346,474.78 - Step 4: Simplify right side
588,307.97x = 281,197,318,014.67 - Step 5: Solve for x
x = 281,197,318,014.67/588,307.97 - Step 6: Final answer
x = 477,976.39
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1.5x scale
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.