Finding the Fourth Proportional to 454,716.02, 681,886.36 and 155,220.75
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Solution
The fourth proportional to 454,716.02, 681,886.36 and 155,220.75 is: 232,767.06
Step by Step Solution
- Step 1: Write the proportion equation
454,716.02 : 681,886.36 = 155,220.75 : x - Step 2: Convert to fraction form
454,716.02/681,886.36 = 155,220.75/x - Step 3: Cross multiply
454,716.02x = 681,886.36 × 155,220.75 - Step 4: Simplify right side
454,716.02x = 105,842,911,825.92 - Step 5: Solve for x
x = 105,842,911,825.92/454,716.02 - Step 6: Final answer
x = 232,767.06
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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.