Finding the Fourth Proportional to 542,751.20, 813,099.19 and 362,292.49
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Solution
The fourth proportional to 542,751.20, 813,099.19 and 362,292.49 is: 542,752.79
Step by Step Solution
- Step 1: Write the proportion equation
542,751.20 : 813,099.19 = 362,292.49 : x - Step 2: Convert to fraction form
542,751.20/813,099.19 = 362,292.49/x - Step 3: Cross multiply
542,751.20x = 813,099.19 × 362,292.49 - Step 4: Simplify right side
542,751.20x = 294,579,724,285.13 - Step 5: Solve for x
x = 294,579,724,285.13/542,751.20 - Step 6: Final answer
x = 542,752.79
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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.