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Finding the Fourth Proportional to 445,997.64, 669,018.54 and 179,722.52

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Solution

The fourth proportional to 445,997.64, 669,018.54 and 179,722.52 is: 269,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,997.64 : 669,018.54 = 179,722.52 : x
  2. Step 2: Convert to fraction form
    445,997.64/669,018.54 = 179,722.52/x
  3. Step 3: Cross multiply
    445,997.64x = 669,018.54 × 179,722.52
  4. Step 4: Simplify right side
    445,997.64x = 120,237,697,935.52
  5. Step 5: Solve for x
    x = 120,237,697,935.52/445,997.64
  6. Step 6: Final answer
    x = 269,592.68

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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.