Finding the Fourth Proportional to 583,382.25, 805,138.79 and 328,779.81
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Solution
The fourth proportional to 583,382.25, 805,138.79 and 328,779.81 is: 453,756.31
Step by Step Solution
- Step 1: Write the proportion equation
583,382.25 : 805,138.79 = 328,779.81 : x - Step 2: Convert to fraction form
583,382.25/805,138.79 = 328,779.81/x - Step 3: Cross multiply
583,382.25x = 805,138.79 × 328,779.81 - Step 4: Simplify right side
583,382.25x = 264,713,376,755.93 - Step 5: Solve for x
x = 264,713,376,755.93/583,382.25 - Step 6: Final answer
x = 453,756.31
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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.