Finding the Fourth Proportional to 482,427.26, 723,130.18 and 162,274.36
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Solution
The fourth proportional to 482,427.26, 723,130.18 and 162,274.36 is: 243,239.75
Step by Step Solution
- Step 1: Write the proportion equation
482,427.26 : 723,130.18 = 162,274.36 : x - Step 2: Convert to fraction form
482,427.26/723,130.18 = 162,274.36/x - Step 3: Cross multiply
482,427.26x = 723,130.18 × 162,274.36 - Step 4: Simplify right side
482,427.26x = 117,345,487,156.19 - Step 5: Solve for x
x = 117,345,487,156.19/482,427.26 - Step 6: Final answer
x = 243,239.75
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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.