Finding the Fourth Proportional to 319,508.01, 440,920.98 and 176,268.06
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Solution
The fourth proportional to 319,508.01, 440,920.98 and 176,268.06 is: 243,249.88
Step by Step Solution
- Step 1: Write the proportion equation
319,508.01 : 440,920.98 = 176,268.06 : x - Step 2: Convert to fraction form
319,508.01/440,920.98 = 176,268.06/x - Step 3: Cross multiply
319,508.01x = 440,920.98 × 176,268.06 - Step 4: Simplify right side
319,508.01x = 77,720,285,757.90 - Step 5: Solve for x
x = 77,720,285,757.90/319,508.01 - Step 6: Final answer
x = 243,249.88
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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.