Finding the Fourth Proportional to 594.86, 821.07 and 538.50
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Solution
The fourth proportional to 594.86, 821.07 and 538.50 is: 743.28
Step by Step Solution
- Step 1: Write the proportion equation
594.86 : 821.07 = 538.50 : x - Step 2: Convert to fraction form
594.86/821.07 = 538.50/x - Step 3: Cross multiply
594.86x = 821.07 × 538.50 - Step 4: Simplify right side
594.86x = 442,146.20 - Step 5: Solve for x
x = 442,146.20/594.86 - Step 6: Final answer
x = 743.28
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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.