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Finding the Fourth Proportional to 351,768.36, 485,550.57 and 224,443.74

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Solution

The fourth proportional to 351,768.36, 485,550.57 and 224,443.74 is: 309,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,768.36 : 485,550.57 = 224,443.74 : x
  2. Step 2: Convert to fraction form
    351,768.36/485,550.57 = 224,443.74/x
  3. Step 3: Cross multiply
    351,768.36x = 485,550.57 × 224,443.74
  4. Step 4: Simplify right side
    351,768.36x = 108,978,785,889.93
  5. Step 5: Solve for x
    x = 108,978,785,889.93/351,768.36
  6. Step 6: Final answer
    x = 309,802.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.