Finding the Fourth Proportional to 357,798.24, 493,761.24 and 196,663.68
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Solution
The fourth proportional to 357,798.24, 493,761.24 and 196,663.68 is: 271,395.70
Step by Step Solution
- Step 1: Write the proportion equation
357,798.24 : 493,761.24 = 196,663.68 : x - Step 2: Convert to fraction form
357,798.24/493,761.24 = 196,663.68/x - Step 3: Cross multiply
357,798.24x = 493,761.24 × 196,663.68 - Step 4: Simplify right side
357,798.24x = 97,104,902,499.76 - Step 5: Solve for x
x = 97,104,902,499.76/357,798.24 - Step 6: Final answer
x = 271,395.70
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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.