Finding the Fourth Proportional to 633,614.70, 948,672.45 and 493,646.70
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Solution
The fourth proportional to 633,614.70, 948,672.45 and 493,646.70 is: 739,106.94
Step by Step Solution
- Step 1: Write the proportion equation
633,614.70 : 948,672.45 = 493,646.70 : x - Step 2: Convert to fraction form
633,614.70/948,672.45 = 493,646.70/x - Step 3: Cross multiply
633,614.70x = 948,672.45 × 493,646.70 - Step 4: Simplify right side
633,614.70x = 468,309,024,323.42 - Step 5: Solve for x
x = 468,309,024,323.42/633,614.70 - Step 6: Final answer
x = 739,106.94
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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.