Finding the Fourth Proportional to 462,469.23, 638,226.14 and 268,875.99
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Solution
The fourth proportional to 462,469.23, 638,226.14 and 268,875.99 is: 371,059.68
Step by Step Solution
- Step 1: Write the proportion equation
462,469.23 : 638,226.14 = 268,875.99 : x - Step 2: Convert to fraction form
462,469.23/638,226.14 = 268,875.99/x - Step 3: Cross multiply
462,469.23x = 638,226.14 × 268,875.99 - Step 4: Simplify right side
462,469.23x = 171,603,683,892.00 - Step 5: Solve for x
x = 171,603,683,892.00/462,469.23 - Step 6: Final answer
x = 371,059.68
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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.