Finding the Fourth Proportional to 827,328.16, 1,241,191.68 and 287,506
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Solution
The fourth proportional to 827,328.16, 1,241,191.68 and 287,506 is: 431,328.31
Step by Step Solution
- Step 1: Write the proportion equation
827,328.16 : 1,241,191.68 = 287,506 : x - Step 2: Convert to fraction form
827,328.16/1,241,191.68 = 287,506/x - Step 3: Cross multiply
827,328.16x = 1,241,191.68 × 287,506 - Step 4: Simplify right side
827,328.16x = 356,850,055,150.08 - Step 5: Solve for x
x = 356,850,055,150.08/827,328.16 - Step 6: Final answer
x = 431,328.31
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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.