Finding the Fourth Proportional to 426,054.08, 587,889.96 and 242,274.80
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Solution
The fourth proportional to 426,054.08, 587,889.96 and 242,274.80 is: 334,302.45
Step by Step Solution
- Step 1: Write the proportion equation
426,054.08 : 587,889.96 = 242,274.80 : x - Step 2: Convert to fraction form
426,054.08/587,889.96 = 242,274.80/x - Step 3: Cross multiply
426,054.08x = 587,889.96 × 242,274.80 - Step 4: Simplify right side
426,054.08x = 142,430,922,481.01 - Step 5: Solve for x
x = 142,430,922,481.01/426,054.08 - Step 6: Final answer
x = 334,302.45
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1.5x scale
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.