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Finding the Fourth Proportional to 328,447.41, 491,711.53 and 296,930.31

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Solution

The fourth proportional to 328,447.41, 491,711.53 and 296,930.31 is: 444,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,447.41 : 491,711.53 = 296,930.31 : x
  2. Step 2: Convert to fraction form
    328,447.41/491,711.53 = 296,930.31/x
  3. Step 3: Cross multiply
    328,447.41x = 491,711.53 × 296,930.31
  4. Step 4: Simplify right side
    328,447.41x = 146,004,057,033.47
  5. Step 5: Solve for x
    x = 146,004,057,033.47/328,447.41
  6. Step 6: Final answer
    x = 444,527.96

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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.