Finding the Fourth Proportional to 323,461.74, 482,918.21 and 247,160.96
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Solution
The fourth proportional to 323,461.74, 482,918.21 and 247,160.96 is: 369,003.54
Step by Step Solution
- Step 1: Write the proportion equation
323,461.74 : 482,918.21 = 247,160.96 : x - Step 2: Convert to fraction form
323,461.74/482,918.21 = 247,160.96/x - Step 3: Cross multiply
323,461.74x = 482,918.21 × 247,160.96 - Step 4: Simplify right side
323,461.74x = 119,358,528,385.08 - Step 5: Solve for x
x = 119,358,528,385.08/323,461.74 - Step 6: Final answer
x = 369,003.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.