Finding the Fourth Proportional to 413,967.69, 621,192.49 and 174,064.23
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Solution
The fourth proportional to 413,967.69, 621,192.49 and 174,064.23 is: 261,197.66
Step by Step Solution
- Step 1: Write the proportion equation
413,967.69 : 621,192.49 = 174,064.23 : x - Step 2: Convert to fraction form
413,967.69/621,192.49 = 174,064.23/x - Step 3: Cross multiply
413,967.69x = 621,192.49 × 174,064.23 - Step 4: Simplify right side
413,967.69x = 108,127,392,018.47 - Step 5: Solve for x
x = 108,127,392,018.47/413,967.69 - Step 6: Final answer
x = 261,197.66
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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.