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Finding the Fourth Proportional to 358,668.64, 494,958.99 and 197,520.27

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Solution

The fourth proportional to 358,668.64, 494,958.99 and 197,520.27 is: 272,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,668.64 : 494,958.99 = 197,520.27 : x
  2. Step 2: Convert to fraction form
    358,668.64/494,958.99 = 197,520.27/x
  3. Step 3: Cross multiply
    358,668.64x = 494,958.99 × 197,520.27
  4. Step 4: Simplify right side
    358,668.64x = 97,764,433,343.73
  5. Step 5: Solve for x
    x = 97,764,433,343.73/358,668.64
  6. Step 6: Final answer
    x = 272,575.92

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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.