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Finding the Fourth Proportional to 443,448.76, 665,238.75 and 162,944.14

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Solution

The fourth proportional to 443,448.76, 665,238.75 and 162,944.14 is: 244,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,448.76 : 665,238.75 = 162,944.14 : x
  2. Step 2: Convert to fraction form
    443,448.76/665,238.75 = 162,944.14/x
  3. Step 3: Cross multiply
    443,448.76x = 665,238.75 × 162,944.14
  4. Step 4: Simplify right side
    443,448.76x = 108,396,756,013.43
  5. Step 5: Solve for x
    x = 108,396,756,013.43/443,448.76
  6. Step 6: Final answer
    x = 244,440.32

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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.