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Finding the Fourth Proportional to 408,648.68, 612,966.86 and 183,850.37

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Solution

The fourth proportional to 408,648.68, 612,966.86 and 183,850.37 is: 275,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,648.68 : 612,966.86 = 183,850.37 : x
  2. Step 2: Convert to fraction form
    408,648.68/612,966.86 = 183,850.37/x
  3. Step 3: Cross multiply
    408,648.68x = 612,966.86 × 183,850.37
  4. Step 4: Simplify right side
    408,648.68x = 112,694,184,008.74
  5. Step 5: Solve for x
    x = 112,694,184,008.74/408,648.68
  6. Step 6: Final answer
    x = 275,772.78

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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.