Finding the Fourth Proportional to 294,990.75, 442,487.75 and 73,374.75
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Solution
The fourth proportional to 294,990.75, 442,487.75 and 73,374.75 is: 110,062.53
Step by Step Solution
- Step 1: Write the proportion equation
294,990.75 : 442,487.75 = 73,374.75 : x - Step 2: Convert to fraction form
294,990.75/442,487.75 = 73,374.75/x - Step 3: Cross multiply
294,990.75x = 442,487.75 × 73,374.75 - Step 4: Simplify right side
294,990.75x = 32,467,427,667.44 - Step 5: Solve for x
x = 32,467,427,667.44/294,990.75 - Step 6: Final answer
x = 110,062.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.