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Finding the Fourth Proportional to 273,637.40, 409,764.90 and 179,634.20

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Solution

The fourth proportional to 273,637.40, 409,764.90 and 179,634.20 is: 268,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,637.40 : 409,764.90 = 179,634.20 : x
  2. Step 2: Convert to fraction form
    273,637.40/409,764.90 = 179,634.20/x
  3. Step 3: Cross multiply
    273,637.40x = 409,764.90 × 179,634.20
  4. Step 4: Simplify right side
    273,637.40x = 73,607,789,999.58
  5. Step 5: Solve for x
    x = 73,607,789,999.58/273,637.40
  6. Step 6: Final answer
    x = 268,997.55

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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.