Finding the Fourth Proportional to 367,510.23, 507,019.38 and 212,358.99
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Solution
The fourth proportional to 367,510.23, 507,019.38 and 212,358.99 is: 292,971.77
Step by Step Solution
- Step 1: Write the proportion equation
367,510.23 : 507,019.38 = 212,358.99 : x - Step 2: Convert to fraction form
367,510.23/507,019.38 = 212,358.99/x - Step 3: Cross multiply
367,510.23x = 507,019.38 × 212,358.99 - Step 4: Simplify right side
367,510.23x = 107,670,123,447.23 - Step 5: Solve for x
x = 107,670,123,447.23/367,510.23 - Step 6: Final answer
x = 292,971.77
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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.