Finding the Fourth Proportional to 468,574.84, 646,633.68 and 253,715.02
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Solution
The fourth proportional to 468,574.84, 646,633.68 and 253,715.02 is: 350,126.94
Step by Step Solution
- Step 1: Write the proportion equation
468,574.84 : 646,633.68 = 253,715.02 : x - Step 2: Convert to fraction form
468,574.84/646,633.68 = 253,715.02/x - Step 3: Cross multiply
468,574.84x = 646,633.68 × 253,715.02 - Step 4: Simplify right side
468,574.84x = 164,060,677,053.87 - Step 5: Solve for x
x = 164,060,677,053.87/468,574.84 - Step 6: Final answer
x = 350,126.94
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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.