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Finding the Fourth Proportional to 468,615, 703,136.70 and 255,063

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Solution

The fourth proportional to 468,615, 703,136.70 and 255,063 is: 382,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,615 : 703,136.70 = 255,063 : x
  2. Step 2: Convert to fraction form
    468,615/703,136.70 = 255,063/x
  3. Step 3: Cross multiply
    468,615x = 703,136.70 × 255,063
  4. Step 4: Simplify right side
    468,615x = 179,344,156,112.10
  5. Step 5: Solve for x
    x = 179,344,156,112.10/468,615
  6. Step 6: Final answer
    x = 382,711.09

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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.