Finding the Fourth Proportional to 343,857.42, 474,525.16 and 190,893.18
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Solution
The fourth proportional to 343,857.42, 474,525.16 and 190,893.18 is: 263,433.65
Step by Step Solution
- Step 1: Write the proportion equation
343,857.42 : 474,525.16 = 190,893.18 : x - Step 2: Convert to fraction form
343,857.42/474,525.16 = 190,893.18/x - Step 3: Cross multiply
343,857.42x = 474,525.16 × 190,893.18 - Step 4: Simplify right side
343,857.42x = 90,583,616,782.41 - Step 5: Solve for x
x = 90,583,616,782.41/343,857.42 - Step 6: Final answer
x = 263,433.65
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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.