Finding the Fourth Proportional to 728,582.88, 1,092,913.20 and 229,908
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Solution
The fourth proportional to 728,582.88, 1,092,913.20 and 229,908 is: 344,874.27
Step by Step Solution
- Step 1: Write the proportion equation
728,582.88 : 1,092,913.20 = 229,908 : x - Step 2: Convert to fraction form
728,582.88/1,092,913.20 = 229,908/x - Step 3: Cross multiply
728,582.88x = 1,092,913.20 × 229,908 - Step 4: Simplify right side
728,582.88x = 251,269,487,985.60 - Step 5: Solve for x
x = 251,269,487,985.60/728,582.88 - Step 6: Final answer
x = 344,874.27
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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.