Finding the Fourth Proportional to 524,916.84, 787,182.06 and 412,816.08
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Solution
The fourth proportional to 524,916.84, 787,182.06 and 412,816.08 is: 619,072.18
Step by Step Solution
- Step 1: Write the proportion equation
524,916.84 : 787,182.06 = 412,816.08 : x - Step 2: Convert to fraction form
524,916.84/787,182.06 = 412,816.08/x - Step 3: Cross multiply
524,916.84x = 787,182.06 × 412,816.08 - Step 4: Simplify right side
524,916.84x = 324,961,412,255.53 - Step 5: Solve for x
x = 324,961,412,255.53/524,916.84 - Step 6: Final answer
x = 619,072.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.