Finding the Fourth Proportional to 317,998.09, 476,209.81 and 233,558.02
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Solution
The fourth proportional to 317,998.09, 476,209.81 and 233,558.02 is: 349,758.77
Step by Step Solution
- Step 1: Write the proportion equation
317,998.09 : 476,209.81 = 233,558.02 : x - Step 2: Convert to fraction form
317,998.09/476,209.81 = 233,558.02/x - Step 3: Cross multiply
317,998.09x = 476,209.81 × 233,558.02 - Step 4: Simplify right side
317,998.09x = 111,222,620,328.18 - Step 5: Solve for x
x = 111,222,620,328.18/317,998.09 - Step 6: Final answer
x = 349,758.77
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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.