Finding the Fourth Proportional to 403,968.53, 605,766.56 and 119,557.38
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Solution
The fourth proportional to 403,968.53, 605,766.56 and 119,557.38 is: 179,280.95
Step by Step Solution
- Step 1: Write the proportion equation
403,968.53 : 605,766.56 = 119,557.38 : x - Step 2: Convert to fraction form
403,968.53/605,766.56 = 119,557.38/x - Step 3: Cross multiply
403,968.53x = 605,766.56 × 119,557.38 - Step 4: Simplify right side
403,968.53x = 72,423,862,805.21 - Step 5: Solve for x
x = 72,423,862,805.21/403,968.53 - Step 6: Final answer
x = 179,280.95
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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.