Finding the Fourth Proportional to 527,519.68, 727,977.30 and 285,803.92
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Solution
The fourth proportional to 527,519.68, 727,977.30 and 285,803.92 is: 394,409.49
Step by Step Solution
- Step 1: Write the proportion equation
527,519.68 : 727,977.30 = 285,803.92 : x - Step 2: Convert to fraction form
527,519.68/727,977.30 = 285,803.92/x - Step 3: Cross multiply
527,519.68x = 727,977.30 × 285,803.92 - Step 4: Simplify right side
527,519.68x = 208,058,766,011.02 - Step 5: Solve for x
x = 208,058,766,011.02/527,519.68 - Step 6: Final answer
x = 394,409.49
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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.