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Finding the Fourth Proportional to 246,529, 369,822.66 and 80,317

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Solution

The fourth proportional to 246,529, 369,822.66 and 80,317 is: 120,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,529 : 369,822.66 = 80,317 : x
  2. Step 2: Convert to fraction form
    246,529/369,822.66 = 80,317/x
  3. Step 3: Cross multiply
    246,529x = 369,822.66 × 80,317
  4. Step 4: Simplify right side
    246,529x = 29,703,046,583.22
  5. Step 5: Solve for x
    x = 29,703,046,583.22/246,529
  6. Step 6: Final answer
    x = 120,485.00

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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.