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Finding the Fourth Proportional to 428,083.98, 590,754.39 and 246,795.03

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Solution

The fourth proportional to 428,083.98, 590,754.39 and 246,795.03 is: 340,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,083.98 : 590,754.39 = 246,795.03 : x
  2. Step 2: Convert to fraction form
    428,083.98/590,754.39 = 246,795.03/x
  3. Step 3: Cross multiply
    428,083.98x = 590,754.39 × 246,795.03
  4. Step 4: Simplify right side
    428,083.98x = 145,795,247,402.68
  5. Step 5: Solve for x
    x = 145,795,247,402.68/428,083.98
  6. Step 6: Final answer
    x = 340,576.28

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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.