Finding the Fourth Proportional to 424,798.80, 586,217.84 and 233,808.09
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Solution
The fourth proportional to 424,798.80, 586,217.84 and 233,808.09 is: 322,652.68
Step by Step Solution
- Step 1: Write the proportion equation
424,798.80 : 586,217.84 = 233,808.09 : x - Step 2: Convert to fraction form
424,798.80/586,217.84 = 233,808.09/x - Step 3: Cross multiply
424,798.80x = 586,217.84 × 233,808.09 - Step 4: Simplify right side
424,798.80x = 137,062,472,325.29 - Step 5: Solve for x
x = 137,062,472,325.29/424,798.80 - Step 6: Final answer
x = 322,652.68
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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.