Finding the Fourth Proportional to 664,967.09, 917,677.23 and 393,267.88
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Solution
The fourth proportional to 664,967.09, 917,677.23 and 393,267.88 is: 542,723.06
Step by Step Solution
- Step 1: Write the proportion equation
664,967.09 : 917,677.23 = 393,267.88 : x - Step 2: Convert to fraction form
664,967.09/917,677.23 = 393,267.88/x - Step 3: Cross multiply
664,967.09x = 917,677.23 × 393,267.88 - Step 4: Simplify right side
664,967.09x = 360,892,975,489.01 - Step 5: Solve for x
x = 360,892,975,489.01/664,967.09 - Step 6: Final answer
x = 542,723.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.