Finding the Fourth Proportional to 458.50, 632.73 and 251.50
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Solution
The fourth proportional to 458.50, 632.73 and 251.50 is: 347.07
Step by Step Solution
- Step 1: Write the proportion equation
458.50 : 632.73 = 251.50 : x - Step 2: Convert to fraction form
458.50/632.73 = 251.50/x - Step 3: Cross multiply
458.50x = 632.73 × 251.50 - Step 4: Simplify right side
458.50x = 159,131.60 - Step 5: Solve for x
x = 159,131.60/458.50 - Step 6: Final answer
x = 347.07
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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.