Finding the Fourth Proportional to 246,536.84, 368,021.80 and 216,643.34
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Solution
The fourth proportional to 246,536.84, 368,021.80 and 216,643.34 is: 323,397.80
Step by Step Solution
- Step 1: Write the proportion equation
246,536.84 : 368,021.80 = 216,643.34 : x - Step 2: Convert to fraction form
246,536.84/368,021.80 = 216,643.34/x - Step 3: Cross multiply
246,536.84x = 368,021.80 × 216,643.34 - Step 4: Simplify right side
246,536.84x = 79,729,471,944.81 - Step 5: Solve for x
x = 79,729,471,944.81/246,536.84 - Step 6: Final answer
x = 323,397.80
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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.