Finding the Fourth Proportional to 329,605.91, 454,865.12 and 186,387.38
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Solution
The fourth proportional to 329,605.91, 454,865.12 and 186,387.38 is: 257,219.65
Step by Step Solution
- Step 1: Write the proportion equation
329,605.91 : 454,865.12 = 186,387.38 : x - Step 2: Convert to fraction form
329,605.91/454,865.12 = 186,387.38/x - Step 3: Cross multiply
329,605.91x = 454,865.12 × 186,387.38 - Step 4: Simplify right side
329,605.91x = 84,781,114,763.92 - Step 5: Solve for x
x = 84,781,114,763.92/329,605.91 - Step 6: Final answer
x = 257,219.65
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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.