Finding the Fourth Proportional to 343,652.01, 474,216.96 and 190,680.48
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Solution
The fourth proportional to 343,652.01, 474,216.96 and 190,680.48 is: 263,126.40
Step by Step Solution
- Step 1: Write the proportion equation
343,652.01 : 474,216.96 = 190,680.48 : x - Step 2: Convert to fraction form
343,652.01/474,216.96 = 190,680.48/x - Step 3: Cross multiply
343,652.01x = 474,216.96 × 190,680.48 - Step 4: Simplify right side
343,652.01x = 90,423,917,556.94 - Step 5: Solve for x
x = 90,423,917,556.94/343,652.01 - Step 6: Final answer
x = 263,126.40
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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.