Finding the Fourth Proportional to 481,854.08, 664,959.84 and 266,992.40
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Solution
The fourth proportional to 481,854.08, 664,959.84 and 266,992.40 is: 368,450.18
Step by Step Solution
- Step 1: Write the proportion equation
481,854.08 : 664,959.84 = 266,992.40 : x - Step 2: Convert to fraction form
481,854.08/664,959.84 = 266,992.40/x - Step 3: Cross multiply
481,854.08x = 664,959.84 × 266,992.40 - Step 4: Simplify right side
481,854.08x = 177,539,223,585.22 - Step 5: Solve for x
x = 177,539,223,585.22/481,854.08 - Step 6: Final answer
x = 368,450.18
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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.