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Finding the Fourth Proportional to 361,725.62, 499,186.68 and 198,397.76

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Solution

The fourth proportional to 361,725.62, 499,186.68 and 198,397.76 is: 273,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,725.62 : 499,186.68 = 198,397.76 : x
  2. Step 2: Convert to fraction form
    361,725.62/499,186.68 = 198,397.76/x
  3. Step 3: Cross multiply
    361,725.62x = 499,186.68 × 198,397.76
  4. Step 4: Simplify right side
    361,725.62x = 99,037,519,133.84
  5. Step 5: Solve for x
    x = 99,037,519,133.84/361,725.62
  6. Step 6: Final answer
    x = 273,791.83

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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.