Finding the Fourth Proportional to 715,690.24, 1,073,466.24 and 217,058.56
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Solution
The fourth proportional to 715,690.24, 1,073,466.24 and 217,058.56 is: 325,566.88
Step by Step Solution
- Step 1: Write the proportion equation
715,690.24 : 1,073,466.24 = 217,058.56 : x - Step 2: Convert to fraction form
715,690.24/1,073,466.24 = 217,058.56/x - Step 3: Cross multiply
715,690.24x = 1,073,466.24 × 217,058.56 - Step 4: Simplify right side
715,690.24x = 233,005,036,263.01 - Step 5: Solve for x
x = 233,005,036,263.01/715,690.24 - Step 6: Final answer
x = 325,566.88
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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.