Finding the Fourth Proportional to 329,118.21, 454,216.65 and 237,312.99
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Solution
The fourth proportional to 329,118.21, 454,216.65 and 237,312.99 is: 327,516.10
Step by Step Solution
- Step 1: Write the proportion equation
329,118.21 : 454,216.65 = 237,312.99 : x - Step 2: Convert to fraction form
329,118.21/454,216.65 = 237,312.99/x - Step 3: Cross multiply
329,118.21x = 454,216.65 × 237,312.99 - Step 4: Simplify right side
329,118.21x = 107,791,511,319.28 - Step 5: Solve for x
x = 107,791,511,319.28/329,118.21 - Step 6: Final answer
x = 327,516.10
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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.