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Finding the Fourth Proportional to 408,812.28, 564,284.96 and 236,772.52

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Solution

The fourth proportional to 408,812.28, 564,284.96 and 236,772.52 is: 326,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,812.28 : 564,284.96 = 236,772.52 : x
  2. Step 2: Convert to fraction form
    408,812.28/564,284.96 = 236,772.52/x
  3. Step 3: Cross multiply
    408,812.28x = 564,284.96 × 236,772.52
  4. Step 4: Simplify right side
    408,812.28x = 133,607,171,977.30
  5. Step 5: Solve for x
    x = 133,607,171,977.30/408,812.28
  6. Step 6: Final answer
    x = 326,817.90

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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.