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Finding the Fourth Proportional to 363,099.70, 543,484.97 and 194,197.69

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Solution

The fourth proportional to 363,099.70, 543,484.97 and 194,197.69 is: 290,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,099.70 : 543,484.97 = 194,197.69 : x
  2. Step 2: Convert to fraction form
    363,099.70/543,484.97 = 194,197.69/x
  3. Step 3: Cross multiply
    363,099.70x = 543,484.97 × 194,197.69
  4. Step 4: Simplify right side
    363,099.70x = 105,543,527,252.69
  5. Step 5: Solve for x
    x = 105,543,527,252.69/363,099.70
  6. Step 6: Final answer
    x = 290,673.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.