Finding the Fourth Proportional to 558.17, 769.62 and 452.93
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Solution
The fourth proportional to 558.17, 769.62 and 452.93 is: 624.51
Step by Step Solution
- Step 1: Write the proportion equation
558.17 : 769.62 = 452.93 : x - Step 2: Convert to fraction form
558.17/769.62 = 452.93/x - Step 3: Cross multiply
558.17x = 769.62 × 452.93 - Step 4: Simplify right side
558.17x = 348,580.73 - Step 5: Solve for x
x = 348,580.73/558.17 - Step 6: Final answer
x = 624.51
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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.