Finding the Fourth Proportional to 317,652.28, 476,536.74 and 118,110.40
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Solution
The fourth proportional to 317,652.28, 476,536.74 and 118,110.40 is: 177,187.28
Step by Step Solution
- Step 1: Write the proportion equation
317,652.28 : 476,536.74 = 118,110.40 : x - Step 2: Convert to fraction form
317,652.28/476,536.74 = 118,110.40/x - Step 3: Cross multiply
317,652.28x = 476,536.74 × 118,110.40 - Step 4: Simplify right side
317,652.28x = 56,283,944,976.10 - Step 5: Solve for x
x = 56,283,944,976.10/317,652.28 - Step 6: Final answer
x = 177,187.28
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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.