Finding the Fourth Proportional to 329,952.74, 455,334.80 and 179,049.74
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Solution
The fourth proportional to 329,952.74, 455,334.80 and 179,049.74 is: 247,088.65
Step by Step Solution
- Step 1: Write the proportion equation
329,952.74 : 455,334.80 = 179,049.74 : x - Step 2: Convert to fraction form
329,952.74/455,334.80 = 179,049.74/x - Step 3: Cross multiply
329,952.74x = 455,334.80 × 179,049.74 - Step 4: Simplify right side
329,952.74x = 81,527,574,381.03 - Step 5: Solve for x
x = 81,527,574,381.03/329,952.74 - Step 6: Final answer
x = 247,088.65
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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.