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Finding the Fourth Proportional to 270,287.52, 404,993.52 and 164,787.36

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Solution

The fourth proportional to 270,287.52, 404,993.52 and 164,787.36 is: 246,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,287.52 : 404,993.52 = 164,787.36 : x
  2. Step 2: Convert to fraction form
    270,287.52/404,993.52 = 164,787.36/x
  3. Step 3: Cross multiply
    270,287.52x = 404,993.52 × 164,787.36
  4. Step 4: Simplify right side
    270,287.52x = 66,737,812,977.91
  5. Step 5: Solve for x
    x = 66,737,812,977.91/270,287.52
  6. Step 6: Final answer
    x = 246,914.15

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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.