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Finding the Fourth Proportional to 483,639.62, 667,215.65 and 302,036.27

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Solution

The fourth proportional to 483,639.62, 667,215.65 and 302,036.27 is: 416,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,639.62 : 667,215.65 = 302,036.27 : x
  2. Step 2: Convert to fraction form
    483,639.62/667,215.65 = 302,036.27/x
  3. Step 3: Cross multiply
    483,639.62x = 667,215.65 × 302,036.27
  4. Step 4: Simplify right side
    483,639.62x = 201,523,324,701.44
  5. Step 5: Solve for x
    x = 201,523,324,701.44/483,639.62
  6. Step 6: Final answer
    x = 416,680.76

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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.