Finding the Fourth Proportional to 386,334.66, 578,806.93 and 363,544.75
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Solution
The fourth proportional to 386,334.66, 578,806.93 and 363,544.75 is: 544,663.07
Step by Step Solution
- Step 1: Write the proportion equation
386,334.66 : 578,806.93 = 363,544.75 : x - Step 2: Convert to fraction form
386,334.66/578,806.93 = 363,544.75/x - Step 3: Cross multiply
386,334.66x = 578,806.93 × 363,544.75 - Step 4: Simplify right side
386,334.66x = 210,422,220,665.12 - Step 5: Solve for x
x = 210,422,220,665.12/386,334.66 - Step 6: Final answer
x = 544,663.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.