Finding the Fourth Proportional to 476,233.49, 657,201.66 and 261,374.09
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Solution
The fourth proportional to 476,233.49, 657,201.66 and 261,374.09 is: 360,695.94
Step by Step Solution
- Step 1: Write the proportion equation
476,233.49 : 657,201.66 = 261,374.09 : x - Step 2: Convert to fraction form
476,233.49/657,201.66 = 261,374.09/x - Step 3: Cross multiply
476,233.49x = 657,201.66 × 261,374.09 - Step 4: Simplify right side
476,233.49x = 171,775,485,828.99 - Step 5: Solve for x
x = 171,775,485,828.99/476,233.49 - Step 6: Final answer
x = 360,695.94
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1.5x scale
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.