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Finding the Fourth Proportional to 492,798.11, 739,288.34 and 155,923.56

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Solution

The fourth proportional to 492,798.11, 739,288.34 and 155,923.56 is: 233,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,798.11 : 739,288.34 = 155,923.56 : x
  2. Step 2: Convert to fraction form
    492,798.11/739,288.34 = 155,923.56/x
  3. Step 3: Cross multiply
    492,798.11x = 739,288.34 × 155,923.56
  4. Step 4: Simplify right side
    492,798.11x = 115,272,469,839.29
  5. Step 5: Solve for x
    x = 115,272,469,839.29/492,798.11
  6. Step 6: Final answer
    x = 233,914.19

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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.