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Finding the Fourth Proportional to 627,247.92, 940,798.44 and 178,008.24

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Solution

The fourth proportional to 627,247.92, 940,798.44 and 178,008.24 is: 266,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,247.92 : 940,798.44 = 178,008.24 : x
  2. Step 2: Convert to fraction form
    627,247.92/940,798.44 = 178,008.24/x
  3. Step 3: Cross multiply
    627,247.92x = 940,798.44 × 178,008.24
  4. Step 4: Simplify right side
    627,247.92x = 167,469,874,499.15
  5. Step 5: Solve for x
    x = 167,469,874,499.15/627,247.92
  6. Step 6: Final answer
    x = 266,991.52

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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.