Finding the Fourth Proportional to 402,444, 555,374.88 and 223,596
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Solution
The fourth proportional to 402,444, 555,374.88 and 223,596 is: 308,563.68
Step by Step Solution
- Step 1: Write the proportion equation
402,444 : 555,374.88 = 223,596 : x - Step 2: Convert to fraction form
402,444/555,374.88 = 223,596/x - Step 3: Cross multiply
402,444x = 555,374.88 × 223,596 - Step 4: Simplify right side
402,444x = 124,179,601,668.48 - Step 5: Solve for x
x = 124,179,601,668.48/402,444 - Step 6: Final answer
x = 308,563.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.