Finding the Fourth Proportional to 589,585.10, 813,656.28 and 331,543.26
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Solution
The fourth proportional to 589,585.10, 813,656.28 and 331,543.26 is: 457,545.92
Step by Step Solution
- Step 1: Write the proportion equation
589,585.10 : 813,656.28 = 331,543.26 : x - Step 2: Convert to fraction form
589,585.10/813,656.28 = 331,543.26/x - Step 3: Cross multiply
589,585.10x = 813,656.28 × 331,543.26 - Step 4: Simplify right side
589,585.10x = 269,762,255,590.67 - Step 5: Solve for x
x = 269,762,255,590.67/589,585.10 - Step 6: Final answer
x = 457,545.92
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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.