Finding the Fourth Proportional to 329,552.64, 493,996.56 and 129,795.84
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Solution
The fourth proportional to 329,552.64, 493,996.56 and 129,795.84 is: 194,562.84
Step by Step Solution
- Step 1: Write the proportion equation
329,552.64 : 493,996.56 = 129,795.84 : x - Step 2: Convert to fraction form
329,552.64/493,996.56 = 129,795.84/x - Step 3: Cross multiply
329,552.64x = 493,996.56 × 129,795.84 - Step 4: Simplify right side
329,552.64x = 64,118,698,462.31 - Step 5: Solve for x
x = 64,118,698,462.31/329,552.64 - Step 6: Final answer
x = 194,562.84
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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.