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Finding the Fourth Proportional to 661,763.75, 992,244.74 and 296,958.44

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Solution

The fourth proportional to 661,763.75, 992,244.74 and 296,958.44 is: 445,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,763.75 : 992,244.74 = 296,958.44 : x
  2. Step 2: Convert to fraction form
    661,763.75/992,244.74 = 296,958.44/x
  3. Step 3: Cross multiply
    661,763.75x = 992,244.74 × 296,958.44
  4. Step 4: Simplify right side
    661,763.75x = 294,655,451,084.43
  5. Step 5: Solve for x
    x = 294,655,451,084.43/661,763.75
  6. Step 6: Final answer
    x = 445,257.77

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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.