Finding the Fourth Proportional to 513,337.12, 769,710.12 and 197,752.96
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Solution
The fourth proportional to 513,337.12, 769,710.12 and 197,752.96 is: 296,515.58
Step by Step Solution
- Step 1: Write the proportion equation
513,337.12 : 769,710.12 = 197,752.96 : x - Step 2: Convert to fraction form
513,337.12/769,710.12 = 197,752.96/x - Step 3: Cross multiply
513,337.12x = 769,710.12 × 197,752.96 - Step 4: Simplify right side
513,337.12x = 152,212,454,571.96 - Step 5: Solve for x
x = 152,212,454,571.96/513,337.12 - Step 6: Final answer
x = 296,515.58
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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.