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Finding the Fourth Proportional to 403,793.40, 605,824.92 and 179,122.92

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Solution

The fourth proportional to 403,793.40, 605,824.92 and 179,122.92 is: 268,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,793.40 : 605,824.92 = 179,122.92 : x
  2. Step 2: Convert to fraction form
    403,793.40/605,824.92 = 179,122.92/x
  3. Step 3: Cross multiply
    403,793.40x = 605,824.92 × 179,122.92
  4. Step 4: Simplify right side
    403,793.40x = 108,517,128,679.17
  5. Step 5: Solve for x
    x = 108,517,128,679.17/403,793.40
  6. Step 6: Final answer
    x = 268,744.19

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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.