Finding the Fourth Proportional to 358,569.26, 537,519.76 and 121,749.96
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Solution
The fourth proportional to 358,569.26, 537,519.76 and 121,749.96 is: 182,511.49
Step by Step Solution
- Step 1: Write the proportion equation
358,569.26 : 537,519.76 = 121,749.96 : x - Step 2: Convert to fraction form
358,569.26/537,519.76 = 121,749.96/x - Step 3: Cross multiply
358,569.26x = 537,519.76 × 121,749.96 - Step 4: Simplify right side
358,569.26x = 65,443,009,279.21 - Step 5: Solve for x
x = 65,443,009,279.21/358,569.26 - Step 6: Final answer
x = 182,511.49
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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.