Finding the Fourth Proportional to 426,014.64, 587,896.92 and 235,036.08
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Solution
The fourth proportional to 426,014.64, 587,896.92 and 235,036.08 is: 324,347.98
Step by Step Solution
- Step 1: Write the proportion equation
426,014.64 : 587,896.92 = 235,036.08 : x - Step 2: Convert to fraction form
426,014.64/587,896.92 = 235,036.08/x - Step 3: Cross multiply
426,014.64x = 587,896.92 × 235,036.08 - Step 4: Simplify right side
426,014.64x = 138,176,987,520.87 - Step 5: Solve for x
x = 138,176,987,520.87/426,014.64 - Step 6: Final answer
x = 324,347.98
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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.