Finding the Fourth Proportional to 470,443.71, 649,069.29 and 266,462.22
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Solution
The fourth proportional to 470,443.71, 649,069.29 and 266,462.22 is: 367,636.85
Step by Step Solution
- Step 1: Write the proportion equation
470,443.71 : 649,069.29 = 266,462.22 : x - Step 2: Convert to fraction form
470,443.71/649,069.29 = 266,462.22/x - Step 3: Cross multiply
470,443.71x = 649,069.29 × 266,462.22 - Step 4: Simplify right side
470,443.71x = 172,952,443,947.22 - Step 5: Solve for x
x = 172,952,443,947.22/470,443.71 - Step 6: Final answer
x = 367,636.85
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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.