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Finding the Fourth Proportional to 463,940.60, 694,854.66 and 276,564.92

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Solution

The fourth proportional to 463,940.60, 694,854.66 and 276,564.92 is: 414,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,940.60 : 694,854.66 = 276,564.92 : x
  2. Step 2: Convert to fraction form
    463,940.60/694,854.66 = 276,564.92/x
  3. Step 3: Cross multiply
    463,940.60x = 694,854.66 × 276,564.92
  4. Step 4: Simplify right side
    463,940.60x = 192,172,423,454.53
  5. Step 5: Solve for x
    x = 192,172,423,454.53/463,940.60
  6. Step 6: Final answer
    x = 414,217.73

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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.