Finding the Fourth Proportional to 329,605.16, 454,864.07 and 186,386.63
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Solution
The fourth proportional to 329,605.16, 454,864.07 and 186,386.63 is: 257,218.61
Step by Step Solution
- Step 1: Write the proportion equation
329,605.16 : 454,864.07 = 186,386.63 : x - Step 2: Convert to fraction form
329,605.16/454,864.07 = 186,386.63/x - Step 3: Cross multiply
329,605.16x = 454,864.07 × 186,386.63 - Step 4: Simplify right side
329,605.16x = 84,780,579,307.03 - Step 5: Solve for x
x = 84,780,579,307.03/329,605.16 - Step 6: Final answer
x = 257,218.61
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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.