Finding the Fourth Proportional to 323,922.48, 447,013.68 and 180,678.84
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Solution
The fourth proportional to 323,922.48, 447,013.68 and 180,678.84 is: 249,337.17
Step by Step Solution
- Step 1: Write the proportion equation
323,922.48 : 447,013.68 = 180,678.84 : x - Step 2: Convert to fraction form
323,922.48/447,013.68 = 180,678.84/x - Step 3: Cross multiply
323,922.48x = 447,013.68 × 180,678.84 - Step 4: Simplify right side
323,922.48x = 80,765,913,166.53 - Step 5: Solve for x
x = 80,765,913,166.53/323,922.48 - Step 6: Final answer
x = 249,337.17
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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.