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Finding the Fourth Proportional to 349,660.64, 482,529.48 and 198,757.64

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Solution

The fourth proportional to 349,660.64, 482,529.48 and 198,757.64 is: 274,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,660.64 : 482,529.48 = 198,757.64 : x
  2. Step 2: Convert to fraction form
    349,660.64/482,529.48 = 198,757.64/x
  3. Step 3: Cross multiply
    349,660.64x = 482,529.48 × 198,757.64
  4. Step 4: Simplify right side
    349,660.64x = 95,906,420,675.23
  5. Step 5: Solve for x
    x = 95,906,420,675.23/349,660.64
  6. Step 6: Final answer
    x = 274,284.29

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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.