Finding the Fourth Proportional to 493,121.70, 739,682.55 and 375,023.70
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Solution
The fourth proportional to 493,121.70, 739,682.55 and 375,023.70 is: 562,535.55
Step by Step Solution
- Step 1: Write the proportion equation
493,121.70 : 739,682.55 = 375,023.70 : x - Step 2: Convert to fraction form
493,121.70/739,682.55 = 375,023.70/x - Step 3: Cross multiply
493,121.70x = 739,682.55 × 375,023.70 - Step 4: Simplify right side
493,121.70x = 277,398,486,726.44 - Step 5: Solve for x
x = 277,398,486,726.44/493,121.70 - Step 6: Final answer
x = 562,535.55
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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.