Finding the Fourth Proportional to 914.52, 1,262 and 500.52
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Solution
The fourth proportional to 914.52, 1,262 and 500.52 is: 690.70
Step by Step Solution
- Step 1: Write the proportion equation
914.52 : 1,262 = 500.52 : x - Step 2: Convert to fraction form
914.52/1,262 = 500.52/x - Step 3: Cross multiply
914.52x = 1,262 × 500.52 - Step 4: Simplify right side
914.52x = 631,656.24 - Step 5: Solve for x
x = 631,656.24/914.52 - Step 6: Final answer
x = 690.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.