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Finding the Fourth Proportional to 492,606, 679,797.09 and 266,251.50

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Solution

The fourth proportional to 492,606, 679,797.09 and 266,251.50 is: 367,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,606 : 679,797.09 = 266,251.50 : x
  2. Step 2: Convert to fraction form
    492,606/679,797.09 = 266,251.50/x
  3. Step 3: Cross multiply
    492,606x = 679,797.09 × 266,251.50
  4. Step 4: Simplify right side
    492,606x = 180,996,994,908.14
  5. Step 5: Solve for x
    x = 180,996,994,908.14/492,606
  6. Step 6: Final answer
    x = 367,427.51

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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.