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Finding the Fourth Proportional to 483,842.16, 667,671.05 and 268,976.70

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Solution

The fourth proportional to 483,842.16, 667,671.05 and 268,976.70 is: 371,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,842.16 : 667,671.05 = 268,976.70 : x
  2. Step 2: Convert to fraction form
    483,842.16/667,671.05 = 268,976.70/x
  3. Step 3: Cross multiply
    483,842.16x = 667,671.05 × 268,976.70
  4. Step 4: Simplify right side
    483,842.16x = 179,587,956,386.98
  5. Step 5: Solve for x
    x = 179,587,956,386.98/483,842.16
  6. Step 6: Final answer
    x = 371,170.54

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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.