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Finding the Fourth Proportional to 349,124.88, 481,792.67 and 198,221.88

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Solution

The fourth proportional to 349,124.88, 481,792.67 and 198,221.88 is: 273,546.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,124.88 : 481,792.67 = 198,221.88 : x
  2. Step 2: Convert to fraction form
    349,124.88/481,792.67 = 198,221.88/x
  3. Step 3: Cross multiply
    349,124.88x = 481,792.67 × 198,221.88
  4. Step 4: Simplify right side
    349,124.88x = 95,501,848,817.62
  5. Step 5: Solve for x
    x = 95,501,848,817.62/349,124.88
  6. Step 6: Final answer
    x = 273,546.38

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1.5x scale

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.