Finding the Fourth Proportional to 588,871.75, 812,643.06 and 320,599.75
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Solution
The fourth proportional to 588,871.75, 812,643.06 and 320,599.75 is: 442,427.68
Step by Step Solution
- Step 1: Write the proportion equation
588,871.75 : 812,643.06 = 320,599.75 : x - Step 2: Convert to fraction form
588,871.75/812,643.06 = 320,599.75/x - Step 3: Cross multiply
588,871.75x = 812,643.06 × 320,599.75 - Step 4: Simplify right side
588,871.75x = 260,533,161,875.24 - Step 5: Solve for x
x = 260,533,161,875.24/588,871.75 - Step 6: Final answer
x = 442,427.68
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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.