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Finding the Fourth Proportional to 483,880.50, 667,746.72 and 268,992.90

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Solution

The fourth proportional to 483,880.50, 667,746.72 and 268,992.90 is: 371,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,880.50 : 667,746.72 = 268,992.90 : x
  2. Step 2: Convert to fraction form
    483,880.50/667,746.72 = 268,992.90/x
  3. Step 3: Cross multiply
    483,880.50x = 667,746.72 × 268,992.90
  4. Step 4: Simplify right side
    483,880.50x = 179,619,126,678.29
  5. Step 5: Solve for x
    x = 179,619,126,678.29/483,880.50
  6. Step 6: Final answer
    x = 371,205.55

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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.