Finding the Fourth Proportional to 583,640.07, 805,435.62 and 328,991.19
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Solution
The fourth proportional to 583,640.07, 805,435.62 and 328,991.19 is: 454,014.78
Step by Step Solution
- Step 1: Write the proportion equation
583,640.07 : 805,435.62 = 328,991.19 : x - Step 2: Convert to fraction form
583,640.07/805,435.62 = 328,991.19/x - Step 3: Cross multiply
583,640.07x = 805,435.62 × 328,991.19 - Step 4: Simplify right side
583,640.07x = 264,981,217,420.05 - Step 5: Solve for x
x = 264,981,217,420.05/583,640.07 - Step 6: Final answer
x = 454,014.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.