Finding the Fourth Proportional to 519,625.80, 778,709.70 and 413,191.80
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Solution
The fourth proportional to 519,625.80, 778,709.70 and 413,191.80 is: 619,208.02
Step by Step Solution
- Step 1: Write the proportion equation
519,625.80 : 778,709.70 = 413,191.80 : x - Step 2: Convert to fraction form
519,625.80/778,709.70 = 413,191.80/x - Step 3: Cross multiply
519,625.80x = 778,709.70 × 413,191.80 - Step 4: Simplify right side
519,625.80x = 321,756,462,620.46 - Step 5: Solve for x
x = 321,756,462,620.46/519,625.80 - Step 6: Final answer
x = 619,208.02
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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.