Finding the Fourth Proportional to 527,190.34, 727,526.12 and 285,472.92
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Solution
The fourth proportional to 527,190.34, 727,526.12 and 285,472.92 is: 393,954.50
Step by Step Solution
- Step 1: Write the proportion equation
527,190.34 : 727,526.12 = 285,472.92 : x - Step 2: Convert to fraction form
527,190.34/727,526.12 = 285,472.92/x - Step 3: Cross multiply
527,190.34x = 727,526.12 × 285,472.92 - Step 4: Simplify right side
527,190.34x = 207,689,005,852.67 - Step 5: Solve for x
x = 207,689,005,852.67/527,190.34 - Step 6: Final answer
x = 393,954.50
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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.