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Finding the Fourth Proportional to 351,667.92, 485,301.84 and 190,524

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Solution

The fourth proportional to 351,667.92, 485,301.84 and 190,524 is: 262,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,667.92 : 485,301.84 = 190,524 : x
  2. Step 2: Convert to fraction form
    351,667.92/485,301.84 = 190,524/x
  3. Step 3: Cross multiply
    351,667.92x = 485,301.84 × 190,524
  4. Step 4: Simplify right side
    351,667.92x = 92,461,647,764.16
  5. Step 5: Solve for x
    x = 92,461,647,764.16/351,667.92
  6. Step 6: Final answer
    x = 262,923.18

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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.