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Finding the Fourth Proportional to 628,392.44, 942,446.64 and 179,103.62

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Solution

The fourth proportional to 628,392.44, 942,446.64 and 179,103.62 is: 268,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,392.44 : 942,446.64 = 179,103.62 : x
  2. Step 2: Convert to fraction form
    628,392.44/942,446.64 = 179,103.62/x
  3. Step 3: Cross multiply
    628,392.44x = 942,446.64 × 179,103.62
  4. Step 4: Simplify right side
    628,392.44x = 168,795,604,880.84
  5. Step 5: Solve for x
    x = 168,795,604,880.84/628,392.44
  6. Step 6: Final answer
    x = 268,614.95

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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.