Finding the Fourth Proportional to 461,691.24, 692,756.20 and 319,754.96
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Solution
The fourth proportional to 461,691.24, 692,756.20 and 319,754.96 is: 479,784.35
Step by Step Solution
- Step 1: Write the proportion equation
461,691.24 : 692,756.20 = 319,754.96 : x - Step 2: Convert to fraction form
461,691.24/692,756.20 = 319,754.96/x - Step 3: Cross multiply
461,691.24x = 692,756.20 × 319,754.96 - Step 4: Simplify right side
461,691.24x = 221,512,231,020.75 - Step 5: Solve for x
x = 221,512,231,020.75/461,691.24 - Step 6: Final answer
x = 479,784.35
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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.