Finding the Fourth Proportional to 476,566.40, 714,987.96 and 192,110.15
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Solution
The fourth proportional to 476,566.40, 714,987.96 and 192,110.15 is: 288,220.99
Step by Step Solution
- Step 1: Write the proportion equation
476,566.40 : 714,987.96 = 192,110.15 : x - Step 2: Convert to fraction form
476,566.40/714,987.96 = 192,110.15/x - Step 3: Cross multiply
476,566.40x = 714,987.96 × 192,110.15 - Step 4: Simplify right side
476,566.40x = 137,356,442,369.66 - Step 5: Solve for x
x = 137,356,442,369.66/476,566.40 - Step 6: Final answer
x = 288,220.99
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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.