Finding the Fourth Proportional to 532,044.10, 797,889.12 and 172,129.48
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Solution
The fourth proportional to 532,044.10, 797,889.12 and 172,129.48 is: 258,136.95
Step by Step Solution
- Step 1: Write the proportion equation
532,044.10 : 797,889.12 = 172,129.48 : x - Step 2: Convert to fraction form
532,044.10/797,889.12 = 172,129.48/x - Step 3: Cross multiply
532,044.10x = 797,889.12 × 172,129.48 - Step 4: Simplify right side
532,044.10x = 137,340,239,323.26 - Step 5: Solve for x
x = 137,340,239,323.26/532,044.10 - Step 6: Final answer
x = 258,136.95
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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.