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Finding the Fourth Proportional to 492,636.87, 679,839.06 and 266,282.37

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Solution

The fourth proportional to 492,636.87, 679,839.06 and 266,282.37 is: 367,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,636.87 : 679,839.06 = 266,282.37 : x
  2. Step 2: Convert to fraction form
    492,636.87/679,839.06 = 266,282.37/x
  3. Step 3: Cross multiply
    492,636.87x = 679,839.06 × 266,282.37
  4. Step 4: Simplify right side
    492,636.87x = 181,029,156,115.37
  5. Step 5: Solve for x
    x = 181,029,156,115.37/492,636.87
  6. Step 6: Final answer
    x = 367,469.77

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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.