Finding the Fourth Proportional to 483,545.80, 725,318.70 and 151,121.80
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Solution
The fourth proportional to 483,545.80, 725,318.70 and 151,121.80 is: 226,682.70
Step by Step Solution
- Step 1: Write the proportion equation
483,545.80 : 725,318.70 = 151,121.80 : x - Step 2: Convert to fraction form
483,545.80/725,318.70 = 151,121.80/x - Step 3: Cross multiply
483,545.80x = 725,318.70 × 151,121.80 - Step 4: Simplify right side
483,545.80x = 109,611,467,517.66 - Step 5: Solve for x
x = 109,611,467,517.66/483,545.80 - Step 6: Final answer
x = 226,682.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.