Finding the Fourth Proportional to 317,003.18, 475,526.50 and 117,319.14
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Solution
The fourth proportional to 317,003.18, 475,526.50 and 117,319.14 is: 175,986.75
Step by Step Solution
- Step 1: Write the proportion equation
317,003.18 : 475,526.50 = 117,319.14 : x - Step 2: Convert to fraction form
317,003.18/475,526.50 = 117,319.14/x - Step 3: Cross multiply
317,003.18x = 475,526.50 × 117,319.14 - Step 4: Simplify right side
317,003.18x = 55,788,360,027.21 - Step 5: Solve for x
x = 55,788,360,027.21/317,003.18 - Step 6: Final answer
x = 175,986.75
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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.